Patrick Westerhaus

Patrick Westerhaus is a Certified Public Accountant and Certified Fraud Examiner with over 20 years of investigative experience.  He has conducted hundreds of investigations.

Patrick has assisted clients with litigation support services related to white collar crime, public corruption, cyber fraud and security matters, cryptocurrency on-chain transactional tracing, fraud prevention, and anti-money laundering. His testifying experience includes Federal Grand Jury and summary witness related to multiple violations of US Federal Statutes.

Earlier in his career, he worked for the FBI and for one of the Big Four accountancy firms, where he audited publicly traded companies, conducted business case analysis, and led internal fraud investigations of Fortune 100 companies. His private sector clients include top-tier financial services, investment and retirement funds, entertainment and professional sports, technology companies and U.S. federal law enforcement.

Patrick specializes in financial forensics, white-collar criminal investigations, and cybercrime prevention. His investigations have resulted in multiple indictments and criminal convictions, national security threat mitigations, U.S. federal government reform measures, millions of dollars of fraud loss avoidance and asset seizure.

Patrick holds a master’s degree in forensic science and technology and is a Certified Anti-Money Laundering Specialist. He has authored several forensics publications, including those used in Japanese law enforcement as the standard for cybercrime investigative techniques.