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LENGLET Marc

PhD, Management Sciences

Marc Lenglet is Associate 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, 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

  • Algorithms
  • Social Studies of Finance
  • Regulations
  • Humanities

Recent academic contributions

  • 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
  • BAILEY, S., M. LENGLET, G. LORD, D. PIERIDES, D. TISCHER, "Parasitic universes: Organisational and technological meddling in the social" Forthcoming New Technology, Work and Employment
  • 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

Academic Journals

  • 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
  • BAILEY, S., M. LENGLET, G. LORD, D. PIERIDES, D. TISCHER, "Parasitic universes: Organisational and technological meddling in the social" Forthcoming New Technology, Work and Employment
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • LENGLET, M., "Review of Valeur financière et vérité. Enquête d’anthropologie politique sur l’évaluation des entreprises cotées en bourse, by H. Ortiz", Sociologie du Travail, January 2018, vol. 60, no. 1
  • 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
  • LENGLET, M., "Abstract Market Theory, by Jon Roffe", Journal of Cultural Economy, July 2017, vol. 10, no. 5, pp. 481-484
    DOI : 10.1080/17530350.2017.1350596
  • 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
  • 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
  • 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
  • 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
  • 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., "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
  • 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
  • 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
  • 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
  • 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
  • LENGLET, M., "Gouvernance et intermédiation financière. La MiF engendre de nouveaux conflits", Analyse financière, October 2010, vol. 37, pp. 13-16
  • 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
  • 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
  • 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., "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

Book chapter

  • 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
  • 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., 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
  • 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
  • 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
  • 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., "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., "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., "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 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 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 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

Academic conferences

  • 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, "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
  • 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, "‘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., 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
  • 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
  • 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., 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., L.GIALDINI, "Tackling with Market Fragmentation: How Brokers Shape the Space of the Market" in 16th APROS colloquium, 2015, Sydney, Australia
  • 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
  • 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
  • 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

Dissemination activity

  • 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

Professional journals

  • LENGLET, M., "Taxer le trading haute fréquence : il y a urgence", AOC (Analyse Opinion Critique), July 2021
  • 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., "Kerviel condamné : comment combattre les errements de la finance", Le Nouvel Observateur, October 2012
  • LENGLET, M., "Le trading haute fréquence, une innovation dangereuse ?", Cahiers Français, January 2011, vol. 361, pp. 49-53
  • 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., "Isabelle Stengers, Au temps des catastrophes. Résister à la barbarie qui vient", Lectures , August 2009, vol. Les comptes rendus/2009
  • LENGLET, M., M.QUENEHEN, "La déontologie dans le bazar", Le Diable Probablement, April 2009, no. 6, pp. 115-120
  • 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