Mr. William J. DiVello serves as the Assistant Inspector General for Audits. Mr. DiVello’s responsibilities include providing leadership and direction for a professional staff of auditors engaged in performance and financial auditing and reporting on District programs and functions. His responsibilities also include oversight of the city-wide financial audit.

Prior to joining the District, Mr. DiVello served as the Director of Oversight for the OIG, Department of the Treasury. In this capacity, he reviewed various functions at ATF, Customs, IRS, and Secret Service. He also served at the Department of Defense as Division Audit Director for the Naval Audit Service where he was responsible for audits of Navy and Marine Corps programs.

Mr. DiVello received his Bachelors degree from Wilmington College, Delaware, where he was a member of the Delta Epsilon Rho Honor Society, and he received his Graduate degree from Central Michigan University. He has completed training at the Federal Executive Institute, and is a Certified Fraud Examiner and a Certified Inspector General. In addition, he has received several prestigious awards, including the Meritorious Civilian Service Award for performing audits that identified significant monetary benefits and the AGA Chapter Achievement Award for exemplary leadership. He also has lectured on auditing practices throughout the country. Mr. DiVello served four years in the United States Air Force, and currently serves on the executive Board of Directors for the Association of Inspectors General.