Claire Guehenno focuses her practice on government and internal corporate investigations, and other criminal and enforcement matters. She has represented global corporations, financial institutions, and individuals in civil and criminal investigations before the Department of Justice and the Securities and Exchange Commission. She has experience on matters related to the Foreign Corrupt Practices Act, money laundering and wire fraud.  

As part of her investigations practice, Ms. Guehenno manages multi-jurisdictional document collections and reviews, conducts witness interviews, and prepares external and internal presentations. She also represented an individual in a criminal honest services fraud trial in the Southern District of New York.

Past Experience

Prior to joining WilmerHale, Ms. Guehenno clerked for the Honorable Richard J. Sullivan of the United States District Court for the Southern District of New York and the Honorable John M. Walker, Jr., of the United States Court of Appeals for the Second Circuit. 

While attending law school, Ms. Guehenno was co-editor-in-chief of the Harvard International Law Journal

From 2009 to 2011, Ms. Guehenno worked as a paralegal specialist in the Criminal Division of the United States Attorney's Office for the Southern District of New York.



Insights & News


  • Education

    • JD, Harvard Law School, 2014

      cum laude

      Co-Editor-in-Chief, Harvard International Law Journal, Board of Student Advisors

    • BA, Social Studies, Harvard College, 2009

      magna cum laude

  • Admissions

    • New York

  • Clerkships

    • The Hon. Richard J. Sullivan, US District Court for the Southern District of New York, 2015 - 2016

    • The Hon. John M. Walker Jr., US Court of Appeals for the Second Circuit, 2014 - 2015