People

Nicolette Kost De Sèvres

Partner

Nicolette Kost De Sèvres focuses her practice on global investigations, compliance and regulatory enforcement matters. A former financial regulator and general counsel of a large, listed company, she has over 24 years of experience in compliance, white-collar crime and financial regulation. Nicolette serves as co-head of McDermott Will & Schulte’s global investigations and compliance practice.

Nicolette has practiced in Paris, London, Sydney, Washington, DC, and Montreal, including at the New York Stock Exchange in Paris (NYSE Euronext) and the Royal Bank of Scotland in London. She also served as chief of staff and advisor to the president of the Financial Markets Authority in Canada under two different presidents.

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Results
  • Implementation of compliance plans required by the Sapin II law and the law on the duty of care for various international groups whose registered offices are in France*
  • Implementation of anticorruption and anti-money laundering compliance plans for many international groups operating in France*
  • Assistance and representation before the World Bank in the context of investigations and the monitoring of compliance programs*

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Recognitions
  • Chambers France, Band 3 in Corporate Compliance & Investigations, 2026
  • Thomson Reuters, Stand-out Lawyer – independently rated lawyers, 2025-2026
  • The Legal 500 EMEA, Recommended, 2022-2025
  • Global Investigations Review GIR 100, Recommended, 2023-2024
  • Forbes, Top 40 Lawyers in France, 2022 and 2021
  • Global Investigations Review, Top 100 Women in Investigations, 2021

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Capabilities and industries
Regional markets
Community
  • Women’s White Collar Defense Association, Member
  • American Chamber of Commerce (AmCham) in France, board member
  • Canadian Corporate Council Association Quebec, former president
  • Quebec Bar, former member of the executive board

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Credentials
Education
  • University of New South Wales, PhD, ABD
  • University of Montreal, LLM, Finance
  • University of Montreal, JD, Technology and Regulation
  • King’s College London, Certificate in EU Law
Admissions
  • District of Columbia
  • Paris
  • Québec
Languages
  • English
  • French
  • Polish