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Europe Guide
Individual Profile

Marnix Somsen

De Brauw Blackstone Westbroek - Amsterdam

Marnix Somsen - De Brauw Blackstone Westbroek
  • Claude Debussylaan 80
  • Amsterdam, North Holland, Netherlands
  • 1082 MD Amsterdam

Profile submitted by Marnix Somsen

Practice Areas

Marnix specialises in regulatory enforcement, internal and criminal investigations and litigation. He represents corporates and financial institutions faced with criminal or regulatory investigations both domestic and foreign (including across the EU and in the US). He also leads international internal investigations into matters including fraud, corruption and bribery, sanctions & export controls, compliance failures and integrity issues, internal controls, interest rate benchmarks, and insider trading.


Partner since 2005.


Marnix regularly publishes and lectures in his areas of expertise and is on various editorial boards.