Aaron is senior counsel in Freshfields' global investigations practice. He focuses on the defense of white-collar criminal and regulatory enforcement investigations. He also conducts internal corporate investigations and advises boards of directors, audit committees and special committees on sensitive matters involving possible misconduct by corporate personnel.
Aaron represents both institutions and executives, with a particular emphasis on financial institutions, and has represented clients in investigations and litigation involving alleged manipulation of benchmark interest and currency rates, financial accounting and other securities fraud, money laundering, cartel and other anticompetitive activity, tax evasion, insider trading and possible violations of the US Foreign Corrupt Practices Act. Aaron also advises public companies and new issuers on disclosure and matters of corporate governance.
Aaron was head of the firm's US Litigation Practice for 10 years and head of the Global Financial Institutions Litigation Group for 6 years. He also led both the firm's US and global pro bono practices for 13 years and frequently handles high-profile pro bono matters.
In addition to his recognition by Benchmark Litigation as a “Litigation Star” and "National Practice Area Star", Aaron is recognized as a “Senior Statesperson” by Chambers for White Collar Crime and Government Investigations, and is recognized by Legal 500 as a “Leading Lawyer” for Corporate Investigations and White Collar Criminal Defense.
Updated Oct 2025
