A casino surveillance and gaming operations professional, he serves as an expert witness with over 40 years of experience in casino surveillance, fraud detection, and gaming security, including more than 35 years providing consultations, deposition testimony, and courtroom testimony in matters involving casino operations, cheating investigations, and surveillance practices. His work includes surveillance system operations, video analysis, and fraud detection within gaming environments, with experience identifying cheating methods such as card manipulation, game protection breaches, and surveillance evasion techniques. His background also includes integrity audits, investigative work, and polygraph examination related to fraud and misconduct in gaming settings. He has trained surveillance personnel and developed game protection programs focused on identifying operational vulnerabilities, and has provided consulting and instructional services to law enforcement agencies, gaming commissions, and regulatory bodies, including the Federal Bureau of Investigation and multiple state and international authorities. He has also authored publications on casino operations and cheating methods and has appeared in national media programs related to gaming and fraud.