Our Leadership Team
Kenneth Dieffenbach
Executive DirectorKen Dieffenbach was appointed as the Executive Director of the PRAC in June 2024. He brings over 28 years of experience in the oversight community and has served in various roles related to investigations and data analytics with the U.S. Air Force, the Department of Justice, and the Department of Energy. He is particularly passionate about grant fraud and fraud prevention and the fact that today’s oversight challenges require new and innovative approaches. As Executive Director, Mr. Dieffenbach leads the PRAC’s efforts with its 20-member federal Inspectors General to support and coordinate comprehensive oversight of the pandemic response, enhance transparency as to how the $5 trillion in relief was spent, and use data to detect fraud, waste, abuse, and mismanagement of funds.
Lisa Reijula
Associate Director, Outreach and EngagementCedric Campbell
Chief CounselHarsha Vakkalanka
Chief Information OfficerHong Zhou
Chief Data OfficerMarcos Contreras
Chief Management OfficerEugene Gray
Associate Director, Oversight and AccountabilityAlice Siempelkamp
Acting Senior Strategist for Transparency and Data Integration