Thomas Declerck

Practice Areas

Thomas specialises in white-collar crime, investigations and complex litigation, with a particular interest in cybersecurity.

Thomas has represented a broad range of high profile financial institutions, corporates and senior individuals on corporate and financial crime matters, including fraud, bribery and corruption, money laundering, market abuse, breaches of financial regulation and workplace misconduct. In addition to his extensive trial experience, Thomas regularly assists clients in implementing effective compliance programmes and conducting internal investigations. Thomas also has a long-standing practice in international sanctions and export controls, both stand-alone and in the context of M&A.

Thomas co-heads our Belgian cybersecurity practice. In close collaboration with A&O’s cyber specialists globally, he uses his established litigation and crisis management skills to advise clients across the spectrum of prevention, incident response, and litigation (whether civil or criminal).

Thomas is admitted to both the Brussels Bar and New York Bar.