William Kowalski


Bill Kowalski | JD | Principal, Director of Operations

Troy, MI | 248.458.7870 | This email address is being protected from spambots. You need JavaScript enabled to view it. | Linkedin
Video Introduction


  • BS
    University of Detroit

  • JD
    University of Detroit Mercy


  • Society of Former Special Agents of the FBI

  • Member, Association of Certified Fraud Examiners

  • Board of Directors, Crime Stoppers of Michigan

  • Advisory Board Member, Lebanese-American Chamber of Commerce

  • Past Regent, Orchard Lake Schools
Service Areas | Criminal & Fraud Investigations, Counter-Terrorism, Crisis Management, Litigation Support

Bill is a Principal and Director of Operations for Rehmann Corporate Investigative Services (CIS).  He is located in the Troy office.


Bill began his investigative career in 1983 as a Special Agent with the Federal Bureau of Investigation (FBI) where he received numerous awards and letters of commendation during his 25 year career. He was most recently the Assistant Special Agent in Charge of the FBI in Detroit with oversight responsibility for counter-terrorism operations throughout Michigan. Bill served the public in FBI offices in Detroit, Memphis, New York City, Flint, and Washington, D.C.

At FBI headquarters in Washington, D.C., Bill was in charge of a variety of counterintelligence and espionage investigations throughout the U.S., and was one of the first FBI agents to officially travel to Eastern Europe after the fall of the Berlin Wall.

He was also Joint Operations Commander for the 2004 Ryder Cup, Major League Baseball’s 2005 All Star game, and the National Football League’s 2006 Super Bowl.

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