Patrick A. Westerhaus

Patrick A. Westerhaus is a Partner in the firm's Cyber Risk Services practice. With nearly 25 years of experience, he provides investigative, consulting, and litigation support to clients facing cyber risk, fraud, financial crime, national security, and regulatory scrutiny.

Patrick advises Fortune 100 and 500 companies, financial institutions, entertainment, energy, FinTech, insurance organizations, private equity firms, and government agencies on cybercrime prevention, anti-fraud, anti-money laundering, cryptocurrency, and national security matters. He brings a unique blend of law enforcement, forensic accounting, data, and technology expertise, helping organizations strengthen defenses against evolving digital and national security threats.

Patrick's experience spans the FBI, where he led high-profile investigations into corporate and government fraud, anti-money laundering, public corruption, counterterrorism, espionage, and cyber fraud. He built the Cyber Crime Intelligence Unit for a Top 5 Financial Institution, founded a technology company, and built consulting practices. His work has included developing blockchain monitoring tools, fraud prevention technology, managing multi-agency investigations, and creating cyber fraud fusion programs for global financial institutions. Earlier in his career, he conducted audits and forensic reviews at a Big Four firm.

Patrick has also served as a witness in federal grand juries and trials. He is a published author and has been a featured speaker at cybersecurity, anti-fraud, and law enforcement conferences worldwide, sharing insights on topics such as cryptocurrency, digital exploitation, and international transnational criminal threats.