Mark MacPherson
Asst. Director of Investigations - Forensic Audits and Investigative Services, GAO
Mark is a Supervisory Criminal Investigator (Assistant Director) in the GAO’s Forensic Audit and Investigative Service team. He supervises the investigative work that supports various audit teams to help the teams gather information for analysts to identify fraud, waste, and abuse across a wide array of government programs and agencies. Before joining GAO, Mark served over 13 years as a Special Agent and Supervisor with the IRS’s Criminal Investigations, leading investigation into fraud, money laundering, and tax evasion.