![](https://neoma-bs.com/sites/default/files/uploaded_images/profs-neoma_0.png)# LENGLET Marc { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://neoma-bs.com/" }, { "@type": "ListItem", "position": 2, "name": "LENGLET\u0020Marc", "item": "https://neoma-bs.com/node/8566.md" } ] } - [Home](https://neoma-bs.com/) - LENGLET Marc ![](/sites/default/files/styles/large/public/uploaded_images/photos_academ/28645-lenglet-marc.jpg?itok=C6XHGmUH)LENGLET Marc Full Professor - About - Academic publications [Strategy & Entrepreneurship](https://neoma-bs.com/departements/strategy-entrepreneurship) PhD, Management Sciences Marc Lenglet is Full Professor in the Strategy and Entrepreneurship Department. A graduate from ESSEC Business School (2004), he holds an MSc in philosophy (Paris IV Sorbonne, 2002) and a PhD in Management (Paris Dauphine University, 2008). He teaches courses in the humanities, and the ethical and societal issues raised by technology, innovation, and digital markets. His research focuses on compliance, rules, and norms, and on how algorithmic agencements impact regulatory practices within financial institutions. His work has been published in *Economy & Society*, *New Political Economy, New Technology, Work & Employment*, *Organization*, *Organization*, *Research in the Sociology of Organizations*, and *Theory, Culture & Society*. He is the co-editor of *The Making of Finance: Perspectives from the Social Sciences* (Routledge, 2019), a book gathering contributions from researchers working in the field of social studies of finance. Before joining academia, he held regulatory positions in the banking and financial sector. ### Areas of research - Social Studies of Finance - Surveillance studies - Critical Data Studies - Organization Theory - Performativity - Regulation - Science and Technology Studies ## Recent academic contributions AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Synthetic digital data in global finance: Great expectations, what realisations?" in *Research Handbook on Digital Data: Interdisciplinary Perspectives. Cheltenham: Edward Elgar.*., A. Aaltonen, K. Lyytinen & M. Stelmaszak Eds, Edward Elgar Publishing, pp. 310-323, 2026 DOI : [ 10.4337/9781035348718.00031 ](https://dx.doi.org/10.4337/9781035348718.00031) AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Financial f(r)ictions in synthetic data infrastructures" Forthcoming *Information Society* AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Financial fictions in synthetic data infrastructures" in *ECPR Joint Sessions, Session on The Future of FinTech: Money, Power and Finance in the Digital Age (org. Dermot Hodson, & Elsa Clara Massoc). Institute of Political Studies,*, 2025, Charles University, Prague, Czech Republic ## Publications AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Financial f(r)ictions in synthetic data infrastructures" Forthcoming *Information Society* JATON, F., M. LENGLET, "Pour une apologie critique de l’agentivité algorithmique : une perspective bergsonienne", *Socio-anthropologie*, September 2025, no. 52, pp. 51-67 DOI : [ 10.4000/15qdb ](https://dx.doi.org/10.4000/15qdb) CAMPBELL-VERDUYN, M., M. LENGLET, "Beyond the hype: In what sense are algorithmic technologies transforming regulation?", *Journal of Financial Transformation*, September 2025, pp. 74-81 AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Synthetic Dreams, Real Frictions Reimagining Computer-Generated Data", *BOT POPULI - Talking Digital Justice*, November 2025 LENGLET, M., D. PIERIDES, B. TAUPIN, "'How to undo things with words?': Explication and the counterperformative effects of regulation", *Organization*, November 2024, vol. 31, no. 8, pp. 1237-1261 DOI : [ 10.1177/13505084231182213 ](https://dx.doi.org/10.1177/13505084231182213) LANGE, A.-C., M. LENGLET, R. SEYFERT, "High-frequency trading, spoofing and conflicting epistemic regimes: Accounting for market abuse in the age of algorithms", *Economy and Society*, November 2024, vol. 53, no. 4, pp. 603-626 DOI : [ 10.1080/03085147.2024.2413809 ](https://dx.doi.org/10.1080/03085147.2024.2413809) BAILEY, S., M. LENGLET, G. LORD, D. PIERIDES, D. TISCHER, "Parasitic universes: Organisational and technological meddling in the social", *New Technology, Work and Employment*, March 2023, vol. 38, no. 1, pp. 41-58 DOI : [ 10.1111/ntwe.12253 ](https://dx.doi.org/10.1111/ntwe.12253) CAMPBELL-VERDUYN, M., M. LENGLET, "Imaginary Failure: RegTech in Finance", *New Political Economy*, June 2023, vol. 28, no. 3, pp. 468-482 DOI : [ 10.1080/13563467.2022.2140795 ](https://dx.doi.org/10.1080/13563467.2022.2140795) JULLIOT, C., M. LENGLET, A. ROUQUET, "Peut-on appliquer la fiction aux sciences de gestion ?", *Revue Française de Gestion*, May 2022, vol. 48, no. 303, pp. 71-84 DOI : [ 10.3166/rfg.303.69-84 ](https://dx.doi.org/10.3166/rfg.303.69-84) JULLIOT, C., M. LENGLET, A. ROUQUET, "La fiction comme stratégie organisationnelle", *Revue Française de Gestion*, June 2022, vol. 48, no. 304, pp. 29-41 DOI : [ 10.3166/rfg304.27-42 ](https://dx.doi.org/10.3166/rfg304.27-42) LENGLET, M., "Algorithmic finance, its regulation, and Deleuzean jurisprudence: A few remarks on a necessary paradigm shift", *Topoi An International Review of Philosophy*, October 2021, vol. 40, no. 4, pp. 811-819 DOI : [ 10.1007/s11245-019-09653-6 ](https://dx.doi.org/10.1007/s11245-019-09653-6) LENGLET, M., "Taxer le trading haute fréquence : il y a urgence", *AOC (Analyse Opinion Critique)*, July 2021 LAGNA, A., M. LENGLET, "The dark side of liquidity: shedding light on dark pools’ marketing and market-making", *Consumption Markets & Culture*, September 2020, vol. 23, no. 4, pp. 390-406 DOI : [ 10.1080/10253866.2019.1582415 ](https://dx.doi.org/10.1080/10253866.2019.1582415) BEAUMIER, G., K. KALOMENI, M. CAMPBELL-VERDUYN, M. LENGLET, S. NATILE, M. PAPIN, D. RODIMA-TAYLOR, A. SILVE, F. ZHANG, "Global Regulations for a Digital Economy: Between New and Old Challenges", *Global Policy*, September 2020, vol. 11, no. 4, pp. 515-522 DOI : [ 10.1111/1758-5899.12823 ](https://dx.doi.org/10.1111/1758-5899.12823) KESSLER, O., M. LENGLET, "Between concepts and thought: digital technologies and temporal relationality", *International Relations*, September 2020, vol. 34, no. 3, pp. 413-431 DOI : [ 10.1177/0047117820948199 ](https://dx.doi.org/10.1177/0047117820948199) LANGE, A.-C., M.LENGLET, R.SEYFERT, "On studying algorithms ethnographically: Making sense of objects of ignorance", *Organization*, July 2019, vol. 26, no. 4, pp. 598-617 DOI : [ 10.1177/1350508418808230 ](https://dx.doi.org/10.1177/1350508418808230) LENGLET, M., Y.TADJEDDINE, "Les sciences sociales doivent participer à la construction d’une finance au service de la société", *Revue Banque*, September 2019, no. 836, pp. 72-74 CHAMBOST, I., M.LENGLET, Y.TADJEDDINE, "Mobiliser les sciences sociales pour repenser la finance", *The Conversation*, October 2018 CHAMBOST, I., M.LENGLET, Y.TADJEDDINE, "Mobilising the social sciences to rethink finance", *The Conversation*, November 2018 LENGLET, M., B.TAUPIN, "The Rise and Fall of the Compliance Function. A Perspective on Internal Control in Banking and Finance/ Grandeur et décadence de la fonction déontologie. Une perspective sur le contrôle interne bancaire et financier", *Comptabilité Contrôle Audit*, April 2017, vol. 23, no. 1, pp. 11-40 DOI : [ 10.3917/cca.231.0011 ](https://dx.doi.org/10.3917/cca.231.0011) LENGLET, M., "Coder, décoder, recoder ? Ordres normatifs et enjeux de la régulation financière à l’ère du trading algorithmique", *Revue Française de Gestion*, November 2017, vol. 43, no. 269, pp. 147-162 DOI : [ 10.3166/rfg.2017.00202 ](https://dx.doi.org/10.3166/rfg.2017.00202) LENGLET, M., A.-C.LANGE, R.SEYFERT, "Cultures of high-frequency trading: Mapping the landscape of algorithmic developments in contemporary financial markets", *Economy and Society*, September 2016, vol. 45, no. 2, pp. 149-165 DOI : [ 10.1080/03085147.2016.1213986 ](https://dx.doi.org/10.1080/03085147.2016.1213986) LENGLET, M., J.MOL, "Squaring the speed of light? Regulating market access in algorithmic finance", *Economy and Society*, May 2016, vol. 45, no. 2, pp. 201-229 DOI : [ 10.1080/03085147.2016.1213080 ](https://dx.doi.org/10.1080/03085147.2016.1213080) CHAMBOST, I., J.-O.CHARRON, G.DEFFONTAINES, O.GODECHOT, M.LENGLET, Y.TADJEDDINE, "Quelques mots du comité de rédaction [A few words from the editorial board]", *Cahiers de la SSFA / SSFA bulletin*, April 2015, vol. 1, pp. 1-2 LENGLET, M., A.RIVA, "Les conséquences inattendues de la régulation financière : pourquoi les algorithmes génèrent-ils de nouveaux risques sur les marchés financiers ?", *Revue de la régulation*, December 2013, vol. 14, no. 2ème semestre ARMSTRONG, M., G.CORNUT, S.DELACOTE, M.LENGLET, Y.MILLO, F.MUNIESA, A.POINTIER, Y.TADJEDDINE, "Towards a practical approach to responsible innovation in finance: New Product Committees revisited", *Journal of Financial Regulation and Compliance*, April 2012, vol. 20, no. 2, pp. 147-168 DOI : [ 10.1108/13581981211218289 ](https://dx.doi.org/10.1108/13581981211218289) LENGLET, M., "Éthique ou morale ? Réflexions sur les impasses du débat normatif dans le champ financier", *Transversalités*, October 2012, vol. 124, no. 4, pp. 69-83 DOI : [ 10.3917/trans.124.0069 ](https://dx.doi.org/10.3917/trans.124.0069) LENGLET, M., "Kerviel condamné : comment combattre les errements de la finance", *Le Nouvel Observateur*, October 2012 POINTIER, A., S.DELACOTE, Y.TADJEDDINE, M.LENGLET, F.MUNIESA, A.LACOSTE, "Debating responsible innovation in finance : viewpoints and commentaries", *Debating Innovation*, January 2012, vol. 2, no. 1, pp. 1-24 LENGLET, M., "Conflicting codes and codings. How algorithmic trading is reshaping financial regulation", *Theory, Culture & Society*, December 2011, vol. 28, no. 6, pp. 44-66 DOI : [ 10.1177/0263276411417444 ](https://dx.doi.org/10.1177/0263276411417444) AMIROU, R., B.PAUGET, M.LENGLET, A.DAMMAK, "De l'image à l'imagerie en passant par l'imaginaire : une interprétation du tourisme à partir des représentations proposées par dix villes européennes", *Recherches en Sciences de Gestion*, November 2011, vol. 86, no. 5, pp. 87-102 DOI : [ 10.3917/resg.086.0085 ](https://dx.doi.org/10.3917/resg.086.0085) LENGLET, M., "Super-senior crash: Defaulting concepts and the failure of financial language", *Journal of Cultural Economy*, May 2011, vol. 4, no. 2, pp. 223-226 DOI : [ 10.1080/17530350.2011.563075 ](https://dx.doi.org/10.1080/17530350.2011.563075) LENGLET, M., "Le trading haute fréquence, une innovation dangereuse ?", *Cahiers Français*, January 2011, vol. 361, pp. 49-53 MONOD, J.-C., G.CORNUT, A.POINTIER, S.DELACOTE, M.LENGLET, A.LACOSTE, F.MUNIESA, "Philosophie et finance : aux prises avec la responsabilité", *Debating Innovation*, January 2011, vol. 1, no. 1, pp. 28-41 KATZ, G., M.LENGLET, "Whistleblowing in French corporations: Anatomy of a national taboo", *Philosophy of Management*, March 2010, vol. 9, no. 1, pp. 103-122 DOI : [ 10.5840/pom20109120 ](https://dx.doi.org/10.5840/pom20109120) LENGLET, M., "Alain Loute, La création sociale des normes. De la socioéconomie des conventions à la philosophie de l'action de Paul Ricoeur", *Lectures* , January 2010, vol. Les comptes rendus/2010 LENGLET, M., "Bruno Latour, Sur le culte moderne des dieux faitiches, suivi de Iconoclash", *Lectures* , January 2010, vol. Les comptes rendus/2010 LENGLET, M., "Gouvernance et intermédiation financière. La MiF engendre de nouveaux conflits", *Analyse financière*, October 2010, vol. 37, pp. 13-16 LENGLET, M., "Aux marges de la triche ? Innovation normative et déontologie financière en salle de marché", *Management & Avenir*, April 2009, vol. 22, no. 2, pp. 263-284 DOI : [ 10.3917/mav.022.0263 ](https://dx.doi.org/10.3917/mav.022.0263) LENGLET, M., "Isabelle Stengers, Au temps des catastrophes. Résister à la barbarie qui vient", *Lectures* , August 2009, vol. Les comptes rendus/2009 LENGLET, M., "‘Deeds, not only words’: Compliance officers and the making of financial practices", *Economic Sociology - European Electronic Newsletter*, July 2009, vol. 10, no. 3, pp. 40 LENGLET, M., M.QUENEHEN, "La déontologie dans le bazar", *Le Diable Probablement*, April 2009, no. 6, pp. 115-120 LENGLET, M., "Des paroles aux actes : usages contemporains de la performativité dans le champ financier", *Etudes de communication*, April 2006, no. 29, pp. 39-51 DOI : [ 10.4000/edc.355 ](https://dx.doi.org/10.4000/edc.355) LENGLET, M., "Albert Piette, Petit traité d’anthropologie", *Lectures* , June 2006, vol. Les comptes rendus/2006 LENGLET, M., "“The Compliance Function in Banks”. Une lecture du document consultatif publié par le Comité de Bâle", *Horizons Bancaires*, April 2004, no. 321, pp. 17-34 ## Others LENGLET, M. - "Vidéo : La régulation financière à l’heure du trading algorithmique, The Conversation" - 2019, Paris, France ## Chapters AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Synthetic digital data in global finance: Great expectations, what realisations?" in *Research Handbook on Digital Data: Interdisciplinary Perspectives. Cheltenham: Edward Elgar.*., A. Aaltonen, K. Lyytinen & M. Stelmaszak Eds, Edward Elgar Publishing, pp. 310-323, 2026 DOI : [ 10.4337/9781035348718.00031 ](https://dx.doi.org/10.4337/9781035348718.00031) LENGLET, M., "Regulating practices: A critique of neoclassical theory" in *Ecological Economics and Finance. An Introduction to Sustainable Monetary and Financial Systems*., T. Lagoarde-Ségot Ed., Springer Science, 2025 CAMPBELL-VERDUYN, M., M. LENGLET, "RegTech governing FinTech in France? The persistence of digital dirigisme" in *The Routledge International Handbook of Public Administration and Digital Governance*., Giest, Sarah; Roberge, Ian Eds, Routledge, pp. 245-258, 2024 DOI : [ 10.4324/9781003458081-20 ](https://dx.doi.org/10.4324/9781003458081-20) LENGLET, M., "Réguler les pratiques : une critique de la théorie néoclassique" in *Monnaie et finance écologiques*., Lagoarde-Ségot, Thomas Eds, De Boeck, pp. 289-298, 2024 LENGLET, M., "Listening to the sounds of the algorithm. Some remarks on phenomenology and the social studies of finance" in *The Oxford Handbook of Phenomenologies and Organization Studies.*., Vaujany, François-Xavier, Aroles, Jeremy, & Perézts, Mar Eds, Oxford University Press, pp. 642-653, 2023 LENGLET, M., "Rules and regulations: A critique of neoclassical theory" in *Ecological Money and Finance. Exploring Sustainable Monetary and Financial Systems*., T. Lagoarde-Ségot Ed., Palgrave Macmillan, 2022 GIALDINI, L., M. LENGLET, "Opérateurs de marché" in *Encyclopédie de la Stratégie*., F. Tannery, A.-C. Martinet, T. Hafsi, & J.-Ph. Denis Eds, EMS - Editions Management et Société, pp. 936-949, 2022 CHAMBOST, I., M.LENGLET, Y.TADJEDDINE, "Introduction: Finance as social science" in *The Making of Finance. Perspectives from the Social Sciences*., Isabelle CHAMBOST, Marc LENGLET & Yamina TADJEDDINE Eds, Routledge, pp. 1-14, 2019 LENGLET, M., "Compliance and the regulation of practices: A two-fold paradox" in *The Making of Finance. Perspectives from the Social Sciences*., Isabelle CHAMBOST, Marc LENGLET & Yamina TADJEDDINE Eds, Routledge, pp. 169-175, 2019 LENGLET, M., P.ROZIN, "Institutional Work in High-altitude Mountaineering: Rope-fixing, the ‘Everest Brawl’ and Changes in Sherpa Actorhood" in *Research in the Sociology of Organizations (Vol. 58)*., Hokyu Hwang, Jeannette A. Colyvas, Gili S. Drori Eds, Emerald Publishing Limited, pp. 229-249, 2019 DOI : [ 10.1108/S0733-558X20190000058013 ](https://dx.doi.org/10.1108/S0733-558X20190000058013) TAUPIN, B., M.LENGLET, "‘Public’ versus ‘natural’ grammars: Complex domination in the financial intermediation industry" in *Justification, Evaluation and Critique in the Study of Organizations (Research in the Sociology of Organizations, vol. 52)*., Charlotte CLOUTIER, Jean-Pascal GOND & Bernard LECA Eds, Emerald Publishing Limited, pp. 109-142, 2017 DOI : [ 10.1108/S0733-558X20170000052004 ](https://dx.doi.org/10.1108/S0733-558X20170000052004) LENGLET, M., "Déontologie financière et régulation des pratiques : un paradoxe redoublé" in *La fabrique de la finance. Pour une approche interdisciplinaire*., Isabelle CHAMBOST, Marc LENGLET & Yamina TADJEDDINE Eds, Presse Universitaire du Septentrion, pp. 123-130, 2016 CHAMBOST, I., M.LENGLET, Y.TADJEDDINE, "Pour une approche interdisciplinaire de la finance" in *La fabrique de la finance. Pour une approche interdisciplinaire*., Isabelle CHAMBOST, Marc LENGLET & Yamina TADJEDDINE Eds, Presse Universitaire du Septentrion, pp. 11-20, 2016 LENGLET, M., "Algorithms and the manufacture of financial reality" in *Objects and Materials. A Routledge Companion*., Penny HARVEY, Eleanor CONLIN CASELLA, Gillian EVANS, Hannah KNOX, Christine McLEAN, Elizabeth B. SILVA, Nicholas THOBURN, Kath WOODWARD Eds, Routledge, pp. 312-322, 2014 LENGLET, M., L.GIALDINI, "Opérateurs de marché" in *Encyclopédie de la Stratégie*., Franck TANNERY, Jean-Philippe DENIS, Taieb HAFSI & Alain-Charles MARTINET Eds, Vuibert, pp. 855-866, 2014 MUNIESA, F., M.LENGLET, "Responsible innovation in finance: Directions and implications" in *Responsible Innovation: Managing the Responsible Emergence of Science and Innovation in Society*., Richard OWEN, John BESSANT & Maggy HEINTZ Eds, John Wiley & Sons, pp. 185-198, 2013 DOI : [ 10.1002/9781118551424 ](https://dx.doi.org/10.1002/9781118551424) LENGLET, M., "Ambivalence and ambiguity. The interpretive role of compliance officers" in *The Discreet Regulator. How Financial Activities Shape and Transform the World*., Isabelle HUAULT & Chrystelle RICHARD Ed., Palgrave Macmillan Publishers Ltd, pp. 59-84, 2012 LENGLET, M., "Légiférer en situation : déontologie de marché, production des normes et institutionnalisation des pratiques" in *Droit et régulations des activités économiques : perspectives sociologiques et institutionnalistes*., Christian BESSY, Thierry DELPEUCH & Jérôme PELISSE Eds, LGDJ, pp. 167-182, 2011 LENGLET, M., "Melting the iceberg: Unveiling financial frames" in *Towards a Socioanalysis of Money, Finance and Capitalism. Beneath the Surface of the Financial Industry*., Susan LONG & Burkard SIEVERS Ed., Routledge, pp. 249-261, 2011 LENGLET, M., "De la transparence à la clarté : herméneutique des normes et marchés financiers" in *Transparence et gouvernance : une relecture*., Edith BLARY-CLEMENT Ed., Hélinia Editions, pp. 47-55, 2011 LENGLET, M., "Financial integration" in *Booms and Busts: An Encyclopedia of Economic History from Tulipmania of the 1630s to the Global Financial Crisis of the 21st Century*., CIMENT, J. Eds, M. E. Sharpe, pp. 394-395, 2010 LENGLET, M., "Financial intermediation" in *Booms and Busts: An Encyclopedia of Economic History from Tulipmania of the 1630s to the Global Financial Crisis of the 21st Century*., CIMENT, J. Eds, M. E. Sharpe, pp. 397-398, 2010 LENGLET, M., "Financial regulation" in *Booms and Busts: An Encyclopedia of Economic History from Tulipmania of the 1630s to the Global Financial Crisis of the 21st Century*., CIMENT, J. Eds, M. E. Sharpe, pp. 685-689, 2010 ## Conferences AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Financial fictions in synthetic data infrastructures" in *ECPR Joint Sessions, Session on The Future of FinTech: Money, Power and Finance in the Digital Age (org. Dermot Hodson, & Elsa Clara Massoc). Institute of Political Studies,*, 2025, Charles University, Prague, Czech Republic LENGLET, M., A. WONG, "Suffer or embrace the event? A philosophical perspective on organizations facing uncertainty" in *9th Dauphine Philosophy Workshop (Negative Ontologies of Time: Within or Beyond the Happening of Organizing?). Université Paris Dauphine-PSL & London School of Economics*, 2025, London, United Kingdom AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "The market for synthetic data: Frictions, fictions and the politics of ignorance" in *Methodological Pluralism in Critical Finance Research, “FinTech” session*, 2025, Goethe University Frankfurt, Frankfurt, Germany AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "The market for synthetic data: Frictions, fictions and the politics of ignorance" in *8th Interdisciplinary Market Studies Workshop (Nordic Noir - Exploring the Dark Sides of Markets), “Privacy tensions” session.*, 2025, Stockholm School of Economics, Stockholm, Sweden JATON, F., M. LENGLET, "A critical praise of algorithmic agency: Phased wisdom, isomorphic trueness, and extrinsic intelligence" in *STS-CH 25, panel “Has critique of algorithms run out of steam? Social studies of AI, machine learning, and big data in questions”. University of Zürich, ETH, ZHdK, Zürich*, 2025 AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Synthetic data as infrastructures of algorithmic fictions: Making new worlds in the evolving spaces of finance" in *36th SASE annual conference*, 2024 LENGLET, M., G. GUPTA, L. GIALDINI, "Making timely decisions: strategic decision-making recipes under radical uncertainty" in *40th EGOS colloquium*, 2024 AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Financial fictions in synthetic data infrastructures" in *7th Finance & Society annual conference*, 2024, University of Sheffield, Sheffield, United Kingdom GUPTA, G., M. LENGLET, L. GIALDINI, "Causation, Effectuation and Bricolage: Making Sense of Decision-making Recipes Under Uncertainty" in *Academy of Management Proceedings*, 2023 LENGLET, M., A. WONG, "Subir ou vouloir l'événement ? Contribution philosophique à l'appréhension de l'incertitude dans les organisations" in *11th Atlas AFMI Conference: Pandemic, sustainable development and international management*, 2021, (online), Colombia LENGLET, M., Y. MILLO, "Conflicts of Interests as Spatial Paradoxes: An Ethnography of Financial Intermediaries in a Trading Floor" in *8th Ethnography and Qualitative Research Conference (online)*, 2021, Trento (online), Italy BAILEY, S., M. LENGLET, G. LORD, D. PIERIDES, D. TISCHER, "Parasitic universes: Organizational and technological meddling in the social" in *37th EGOS colloquium*, 2021, Amsterdam, Netherlands LENGLET, M., Y.MILLO, "‘Space Oddity’? Spatial Arrangements, Opportunistic Trading and the Maintenance of Conflicts of Interests on the Trading Floor" in *32nd Society for the advancement of socio-economics (SASE) annual conference*, 2020 LENGLET, M., O.KESSLER, "The Resolute Urgency of Now: Authority, Acceleration and the Digital" in *Social Sciences and Humanities Research Council of the Government of Canada*, 2019, Toronto LENGLET, M., J.MOL, "From Open Systems to Closed Worlds: Discursive versus Concursive Organization in an Algorithmic Age" in *14th Organiza(on Studies Summer Workshop on “Technology and organizaAon”*, 2019 LANGE, A.-C., M.LENGLET, R.SEYFERT, "Automating Financial Work: A Multi-Sited Ethnography of Computerized Markets" in *35th EGOS Colloquium*, 2019 TISCHER, D., D.PIERIDES, M.LENGLET, L.BJÖRKLUND LARSEN, "Organization and technology inside fast capitalism: From an infinite present to abysmal futures" in *Conference of the Society for the Advancement of Socio-Economics (SASE)*, 2019, New York City, United States LANGE, A.-C., M.LENGLET, R.SEYFERT, "Automating Financial Work: A Multi-Sited Ethnography of Computerized Markets" in *31st SASE annual conference*, 2019, New York LENGLET, M., "Abstraire le marché ? Remarques sur le probable, le possible et l’événement, au prisme de la régulation financière" in *« Repenser la théorie financière face aux nouveaux enjeux sociaux, sociétaux, et environnementaux », Congrès AFEP – IIPPE*, 2019, Lille LENGLET, M., B.TAUPIN, "How to undo things with words? On counter-performative effects in the financial industry" in *78th Academy of Management meeting, Chicago*, 2018 LENGLET, M., B.TAUPIN, "How to undo things with words? On counter-performative effects in the financial industry" in *34th EGOS colloquium, Tallinn*, 2018 LENGLET, M., B.TAUPIN, "How to undo things with words? On counter-performative effects in the financial industry" in *Academy of Management*, 2018 LENGLET, M., Y.TADJEDDINE, "Why banking and financial regulation is doomed to failure: Lessons on the hybrid nature of financial innovation" in *Public Authority and Finance: What is the Relevant Scale and Scope of Deregulation and Re-Regulation? International Conference*, 2017, Université Paris 1 – Sorbonne, Paris LANGE, A.-C., M.LENGLET, R.SEYFERT, "On studying algorithms ethnographically: Making sense of objects of ignorance" in *12th Annual International Ethnography Symposium*, 2017, Manchester University, Manchester, United Kingdom LAGNA, A., M.LENGLET, "The Dark Side of Liquidity: Shedding Light on Dark Pools’ Marketing and Market-making" in *77th Academy of Management meeting*, 2017, Atlanta, United States LAGNA, A., M.LENGLET, "The dark side of liquidity: Shedding light on dark pools’ marketing and marketmaking" in *29th SASE Annual Conference*, 2017, Lyon LENGLET, M., "Coding, decoding, recoding? Regulatory issues in the age of accelerated markets" in *Accelerationism: A rather fast conference*, 2017, Paris LENGLET, M., J.MOL, "A Sorry State? Financial Regulation in an Algorithmic Age" in *76th Academy of Management meeting*, 2016, Anaheim, United States LENGLET, M., P.ROZIN, "Shifting actorhood and institutional change in high-altitude mountaineering: Lessons from the ‘Everest brawl’" in *32nd EGOS colloquium*, 2016, Naples, Italy LENGLET, M., "La finance algorithmique a-t-elle une utilité sociale ?" in *La régulation financière au défi du numérique*, 2016, Paris, France LENGLET, M., "La finance algorithmique a-t-elle une utilité sociale ?" in *La regulation financière au défi du numérique.*, 2016 LENGLET, M., L.GIALDINI, "Tackling with Market Fragmentation: How Brokers Shape the Space of the Market" in *16th APROS colloquium*, 2015, Sydney, Australia LENGLET, M., B.TAUPIN, "Reintegrating the question of intention: Investigating “counter-performativity” and the “problem of description” in the financial industry" in *31st EGOS colloquium*, 2015, Athènes, Greece LENGLET, M., B.TAUPIN, "Reintegrating the question of intention: Investigating “counter-performativity” and the “problem of description” in the financial industry" in *XXIVe AIMS conference*, 2015, Paris, France LENGLET, M., "Sur le terrain de l’interprétation située. Pratiques de conformité et travail du langage financier en salle de marché" in *Colloque international Recherche & Régulation. La théorie de la régulation à l’épreuve des crises*, 2015, Paris, Université Paris-Diderot, France LENGLET, M., Y.MILLO, "The Gatekeepers: Compliance officers, Chinese Walls and the maintenance of conflicts of interests" in *26th SASE conference*, 2014, Chicago, United States LENGLET, M., J.MOL, "‘A Sorry State’. Regulating Algorithmic Markets" in *30th EGOS Colloquium*, 2014, Rotterdam, Netherlands LENGLET, M., M.-H.BIHR, L.GIALDINI, "The commodification of responsibility. How the financial industry changes moral values into valuable instruments" in *5th LAEMOS Conference*, 2014, La Havana, Cuba LAGNA, A., M.LENGLET, B.WILHELM, "The Dark Side of Liquidity: Shedding Light on Dark Pools‘ Marketing and Market Making" in *26th EAEPE Annual Conference*, 2014, Nicosia/Ayia Napa, Cyprus ## Reviews LENGLET, M. - "Florian Jaton, The Constitution of Algorithms. Ground-Truthing, Programming, Formulating" - 2022, *Revue d’anthropologie des connaissances*, Paris LENGLET, M. - "Review of Valeur financière et vérité. Enquête d’anthropologie politique sur l’évaluation des entreprises cotées en bourse, by H. Ortiz" - 2018, *Sociologie du Travail* LENGLET, M. - "Abstract Market Theory, by Jon Roffe" - 2017, *Journal of Cultural Economy* DOI : [ 10.1080/17530350.2017.1350596 ](https://dx.doi.org/10.1080/17530350.2017.1350596) ## Conference contributions AGUERRE, C., M. CAMPBELL-VERDUYN, M. LENGLET, E. PARANA, "Synthetic data as infrastructures of algorithmic fictions: Making new worlds in the evolving spaces of finance" in *14th Organizations, Artifacts & Practices (OAP) Workshop*, 2024, Paris, France LANGE, A.-C., M. LENGLET, R. SEYFERT, "Automating financial work: A comparative ethnographic study of the relational dynamics of computerised markets" in *38th EGOS colloquium*, 2022, Vienna, Austria LANGE, A.-C., M. LENGLET, R. SEYFERT, "High-frequency trading, spoofing and conflicting epistemic regimes: Accounting for market abuse in the age of algorithms" in *34th SASE annual conference,*, 2022, Amsterdam, Netherlands CAMPBELL-VERDUYN, M., M. LENGLET, "RegTech in finance: Making sense of a failed imaginary" in *5th Finance & Society annual conference*, 2022, London, United Kingdom CAMPBELL-VERDUYN, M., M. LENGLET, "“#Imagination Fail”: Regtech in Finance" in *33rd SASE annual conference*, 2021, Online, Other LENGLET, M., Y. MILLO, "Conflicts of interests as spatial paradoxes: An ethnography of financial intermediaries in a trading floor" in *Interdisciplinary Market Studies Workshop: "Flowing Markets"*, 2021, Grenoble (online), France CAMPBELL-VERDUYN, M., M. LENGLET, "“#Imagination Fail”: RegTech in Finance" in *International Studies Association virtual convention (online)*, 2021, (online), Other LENGLET, M., M.CAMPBELL-VERDUYN, "“#Imagination Fail”: RegTech in Finance" in *Regulation in the age of digitalization, workshop ahead of ICIS 2020*, 2020, Hyderabad, India LENGLET, M., "Abstraire le marché : Remarques sur le probable, le possible et l’événement, au prisme de la régulation financière" in *Journée de recherche Finance – 9ème colloque international AFEP / IIPPE*, 2019, Lille, France LENGLET, M., "Regards croisés sur l’ouvrage La fabrique de la finance : comment rendre compte du fonctionnement de l’industrie financière et de ses conséquences économiques et sociales ?" in *(roundtable participant). SSFA Seminar*, 2016, Paris, France LENGLET, M., "La finance algorithmique a-t-elle une utilité sociale ?" in *La regulation financière au défi du numérique.*, 2016, Paris, France LENGLET, M., Y.TADJEDDINE, "On the Borders of Regulated World: the Intricate Regulation of Shadow Banking System" in *MANCEPT Workshops in Political Theory*, 2014, Manchester, United Kingdom Coauthorspresented LENGLET, M., Y.TADJEDDINE, "On the Borders of Regulated World: the Intricate Regulation of Shadow Banking System" in *Congrès de l'AFEP*, 2014, Paris, France Coauthorspresented ## Research seminars GUPTA, G., M. LENGLET, L. GIALDINI, "Making timely decisions: strategic decision-making recipes under radical uncertainty" *Paper Development Workshop, NEOMA*. 2024, Avignon, France GUPTA, G., L. GIALDINI, M. LENGLET, "Causation, effectuation and bricolage. Making sense of strategic decision-making recipes under radical uncertainty" *Presentation, Strategy and Entrepreneurship brownbag seminar, NEOMA*. 2023, Online, France LANGE, A.-C., M. LENGLET, R. SEYFERT, "Automating financial work: A comparative ethnographic study of the relational dynamics of computerized markets" *Paper Development Workshop,*. 2023, Avignon, France LENGLET, M., ""Ce que la fiction fait aux organisations"," *presentation, CRIISEA regular seminar*. 2023, Amiens, France LENGLET, M., "Listening to the Sounds of the Algorithm: Some Remarks on Phenomenology and the Social Studies of Finance" *Presentation, Pre-event to the 7th SSE-Dauphine Phenomenology Workshop*. 2023, Paris, France LENGLET, M., "Developing Interdisciplinary Research Projects: Social Studies of Finance as an Example" *Presentation, PhD capstone seminar, NEOMA*. 2022, Paris, France LENGLET, M., Y.MILLO, "Conflicts of interests as spatial paradoxes: An ethnography of financial intermediaries in a trading floor" *CASS Business School*. 2021, London, United Kingdom LENGLET, M., Y.MILLO, "Conflicts of interests as organisational paradoxes: An ethnography of spatial arrangements and opportunistic strategies on the financial trading floor" *FinWork Futures virtual research seminar*. 2021, King’s Business School, London, United Kingdom LENGLET, M., M.CAMPBELL-VERDUYN, "“#Imagination Fail”: RegTech in Finance" *CITO Brown Bag Series, University College Dublin*. 2021, Dublin, Ireland LENGLET, M., Y. MILLO, "Conflicts of interests as spatial paradoxes: An ethnography of financial intermediaries in a trading floor" *Séminaire de recherche en éthique des affaires, EBEN France*. 2021, Paris, France LENGLET, M., "Rules, norms and their bodily intersections: of trading floors, algorithms and mountaineering" *Keynote lecture, Intersecting the body: identity, performativity, and technology (Paper Development Workshop)*. 2021, Neoma virtual campus, France LENGLET, M., Y.MILLO, "Conflicts of interests as organisational paradoxes: An ethnography of spatial arrangements and opportunistic strategies on the financial trading floor" *Finance Research Seminar, Warwick Business School*. 2020, Coventry, United Kingdom LENGLET, M., Y.MILLO, "Conflicts of interests as organisational paradoxes: An ethnography of spatial arrangements and opportunistic strategies on the financial trading floor" *Finance Research Seminar, NEOMA*. 2020, Paris, France LENGLET, M., Y.MILLO, "Conflicts of interests as organisational paradoxes: An ethnography of spatial arrangements and opportunistic strategies on the financial trading floor" *People & Organisation Research Seminar, NEOMA*. 2020, Paris, France LENGLET, M., "Investigating algorithmic finance philosophically: A few remarks on the meaning of regulation" *Making organizations digitalizable*. 2019, Copenhagen Business School, Copenhagen, Denmark LENGLET, M., "Coder, décoder, recoder… ? Remarques sur les enjeux de la régulation financière en régime algorithmique" *Repenser les analyses et les modèles pour une finance responsable*. 2019, France Stratégie, Paris, France LENGLET, M., B.TAUPIN, "How to undo things with words? Regulation, transparency and the counter-performative effects of economics in the financial industry" *SPID Seminar, CNAM*. 2019, Paris, France LENGLET, M., Y.MILLO, "‘Space Oddity’? Spatial Arrangements, Opportunistic Trading and the Maintenance of Conflicts of Interests on the Trading Floor" *Strategy and Entrepreneurship Research Seminar, NEOMA*. 2019, Paris, France LENGLET, M., B.TAUPIN, "How to undo things with words? Regulation, Transparency and the counter-performative effects of economics in the financial industry" *Strategy and Entrepreneurship Research Seminar, NEOMA*. 2019, Paris, France ANTONETTI, P., M.LENGLET, K.STRAUSS, "Insight and tips for conducting and publishing different types of empirical research in top journals" *Research in the Rough Workshop, NEOMA*. 2019, Paris, France LENGLET, M., "Regulating the digital economy: an impossible challenge?" *GEM-STONES ROUNDTABLE*. 2019, Bruxelles, Belgium LENGLET, M., Y.TADJEDDINE, "The challenge of hybridity: Making sense of banking and financial regulatory failures" *Séminaire "Sociologie Politique de l'Economie", IRISSO, Université Paris-Dauphine*. 2018, Paris, France LENGLET, M., R.SEYFERT, "On studying algorithms ethnographically: Making sense of objects of ignorance" *Investigating High-Frequency Trading: Theoretical, Social and Anthropological Perspectives*. 2017, Paris, France LENGLET, M., "Coding, decoding, recoding? Financial regulation in the age of algorithmic markets" *Cyborg finance: New connectivities of the global condition*. 2017, Erfurt, Germany LENGLET, M., "Coding, decoding, recoding? Financial regulation in the age of algorithmic markets" *Normative orders of the digital*. 2017, Goethe Universität, Frankfurt am Main, Germany LANGE, A.-C., M.LENGLET, R.SEYFERT, "On studying algorithms ethnographically: making sense of objects of ignorance" *Financial markets and the digital economy*. 2017, Loughborough University, Loughborough, United Kingdom LENGLET, M., Y.TADJEDDINE, "The challenge of hybridity : Making sense of banking and financial regulatory failures" *Journée de l’Axe Economie du droit*. 2017, BETA, Université de Lorraine, Nancy, France LENGLET, M., "Algorithmic Purification. A Latourian perspective for making sense of financial regulation in the age of HFT" *Séminaire du master recherche*. 2016, Sciences Po Grenoble, France LENGLET, M., "Abstraire le marché. Remarques sur l’inutile, le possible et la régulation des marchés algorithmiques" *Séminaire interne autour des travaux d'Elie Ayache*. 2016, European Business School, Paris, France CHAMBOST, I., M.LENGLET, Y.TADJEDDINE, "La fabrique de la finance" *Journée "Finance et société"*. 2016, Université Paris Ouest Nanterre La Défense, Nanterre, France LAGNA, A., M.LENGLET, "The dark side of liquidity: Shedding light on dark pools’ marketing and market making" *European Workshops in International Studies*. 2016, Tübingen, Germany CHAMBOST, I., M.LENGLET, Y.TADJEDDINE, "Comment rendre compte du fonctionnement de l’industrie financière et de ses conséquences économiques et sociales ?" *Séminaire SSFA*. 2016, Paris, France LENGLET, M., B.TAUPIN, "Grandeur et décadence de la fonction déontologie. Une perspective sur le contrôle interne bancaire et financier" *Séminaire du LIRSA, Conservatoire National des Arts et Métiers*. 2016, Paris, France LENGLET, M., "Regards croisés sur l’ouvrage La fabrique de la finance : comment rendre compte du fonctionnement de l’industrie financière et de ses conséquences économiques et sociales ?" *SSFA Seminar organized*. 2016, Paris, France LENGLET, M., "Algorithmic Purification: A Latourian exercise for making sense of financial regulation in the age of HFT" *Investigating High-Frequency Trading: On the cultures of HFT, and their regulations*. 2015, Konstanz, Germany LENGLET, M., "Too big to jail (roundtable participant)." *Conference organized Department of Law at Université de Lille 2*. 2015, Lille, France LENGLET, M., "Taming markets? A Philosophical Perspective on The Regulation of High-Frequency Trading" *HFT Sociality, Crowd Psychology and Dynamic Collectives*. 2014, Copenhagen Business School, Copenhagen, Denmark LENGLET, M., "Experiencing markets. Some philosophical and anthropological challenges" *COST Action 0902 Workshop on Social Theory and Finance*. 2014, Ovronnaz, Switzerland ## Editors CHAMBOST, I., M.LENGLET, Y.TADJEDDINE, *The Making of Finance. Perspectives from the Social Sciences*, Routledge, Abingdon, United Kingdom, 2019 CHAMBOST, I., M.LENGLET, Y.TADJEDDINE, *La fabrique de la finance. Pour une approche interdisciplinaire*, Presse Universitaire du Septentrion, Villeneuve-d'Ascq, 2016