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Clifford Chance

Clifford Chance
Catherine Tanner

Catherine Tanner

Associate (Not Admitted in DC)

Associate (Not Admitted in DC)
Catherine Tanner

Catherine Tanner represents clients in white-collar criminal and regulatory investigations, complex civil proceedings, and internal investigations.

Catherine has represented financial institutions, corporations, and individuals in cross-border and domestic proceedings involving allegations of fraud, money laundering, market manipulation, and sanctions evasion. She has represented clients undergoing investigation by the US Department of Justice (DOJ), the Securities and Exchange Commission (SEC), and other federal and state enforcement agencies.

  • Conducting internal investigations for a multinational corporation regarding allegations of fraud and violations of corporate policy.
  • Representing the founder and former CEO of a UK public software company in connection with DOJ investigations and proceedings relating to allegations of accounting and securities fraud.
  • Acting for a major financial institution in connection with a multi-agency investigation into alleged money laundering and sanctions evasion.
  • Representing a large corporation in government investigations regarding alleged violations of the False Claims Act (FCA), Anti-Kickback Statute (AKS), and Controlled Substances Act (CSA).

News and client work

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Contact details

Career and qualifications

  • University of California, Berkeley (BA, Political Science) 2017
  • University of Michigan Law School (JD) 2022
  • Joined Clifford Chance 2022
  • Admitted as an Attorney-at-Law in New York 2023

Awards and citations

  • Global Investigations Review Case of the Year (US v. Lynch et al), 2024