Duncan Grieve

Organization Profile
44 (0) 20 7170 8579
Professional Biography

Duncan Grieve is an associate in Cadwalader’s White Collar Defense and Investigations Group, resident in the London office.

Duncan advises a range of organizations, including multinationals, both on internal corporate investigations and during investigation or prosecution by regulatory bodies including the Serious Fraud Office (SFO), the Financial Conduct Authority (FCA), the U.S. Department of Justice (DOJ) and the U.S. Securities and Exchange Commission (SEC). He has experience in dealing with international investigations involving issues in foreign jurisdictions, including Brazil, Russia, China, India, Romania, the Czech Republic, Mozambique, Canada and Japan.

Duncan also represents individuals subject to internal, regulatory and criminal investigation. His previous work includes advising clients throughout the global investigations into the integrity of financial benchmarks, including LIBOR, EURIBOR, FX and the commodities markets. He has acted for clients in relation to Parliamentary Select Committee appearances.

In addition to contentious work, Duncan has extensive experience in anti-corruption compliance in an M&A context. During a nine-month secondment to a multinational client, he led the global compliance integration of newly acquired company which was purchased for US$5.1 billion. He also conducts pre-acquisition anti-corruption due diligence in relation to investments into foreign jurisdictions and advises clients on compliance with trade sanctions and economic embargoes.

Duncan speaks fluent Portuguese and spent two years in Brazil working with a Brazilian law firm where he advised corporate and individual clients in investigations stemming from Lavo Jato (Operation Car Wash), including the negotiation of leniency agreements with Brazilian prosecuting authorities and regulatory agencies (MPF, CADE, CGU, TCU).

Duncan was recognized as a rising star – and is one of only four lawyers listed as “most highly regarded” – in European investigations by Who’s Who Legal – Future Leaders 2020. He regularly delivers presentations on bribery, corruption and effective compliance strategies, and has lectured and published on these topics in the UK and Brazil.

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