De Brauw Blackstone Westbroek

Financial Markets & Regulation and Regulatory & Criminal Enforcement

Partner (Regulatory & Criminal Enforcement)

Expertise:

Financial Markets & Regulation Regulatory & Criminal Enforcement Sanctions & Export Controls

Marnix Somsen specialises in regulatory and criminal enforcement. He represents corporations and financial institutions subject to investigation and enforcement proceedings. His experience spans both the US, Europe, Africa and Asia. Recent work includes representing publicly listed companies in enforcement actions brought by the SEC, the FED, OFAC, BIS, the DoJ, the CFTC, the FCA, the SFO, BaFin, the AMF, the HKMA, the MAS, the JFSA, DNB, the OM and the AFM on a variety of regulatory and criminal charges.

Marnix typically handles cross-border enforcement matters and internal investigations for EU companies involving one or more US or other foreign regulators, drawing upon the resources of our international Best Friends network. Over the past few years, issues have included:

Libor and other financial benchmarks FCPA and UKBA other anti-bribery statutes international sanction programs (UN, US, EU, Worldbank) export controls anti-money laundering insider trading market & price manipulation banking & securities fraud regulatory compliance failures

Marnix’s work includes international coordination among local law firms, reputational damage mitigation, remedial & disciplinary measures, press relations, market disclosures and managing voluntary self-disclosures. Currently the co-chair of the IBA Anti-Corruption Committee for the Netherlands, Marnix has recently co-edited Onderneming en Sanctierecht, a Nijmegen University textbook on regulatory and criminal enforcement. Formerly an editor in chief of Tijdschrift voor Sanctierecht & Compliance, the Dutch enforcement & compliance law review, Marnix now serves on its Board of Advisors.

Dutch, German, English, French

Co-chair of the IBA Anti-Corruption Committee for the Netherlands

Co-edited Onderneming en Sanctierecht, a Nijmegen University textbook on regulatory and criminal enforcement

Former editor in chief of Tijdschrift voor Sanctierecht & Compliance, the Dutch enforcement & compliance law review, Marnix now serves on its Board of Advisors

University of Amsterdam

Harvard Law School

Columbia Law School