Center Leadership

​The ACGA is a specialty center for The IIA led by ACGA Director John Wszelaki and supported by a group of experienced public sector volunteers.

ACGA Volunteer Advisory Committee

The ACGA relies upon the expertise and commitment of its members, and particularly its volunteer Advisory Committee, to achieve its mission of advancing the professional practice of auditing in the public sector by advocating its value through timely and relevant thought leadership, communication, collaboration, and education.

John Provan, CPA, CIA, CFE, CGAP, CRMA, CGMA, CCSA, CLEA – Chairman
Assistant Regional Audit Manager, U.S. Department of Justice, Office of the Inspector General - San Francisco, CA

Edmundo S. Calderon, CIA, CGAP, CRMA
Chief Internal Auditor, City of El Paso - El Paso, TX

CEO of Business & Financial Management Solutions, LLC – Austin, TX

Benito Ybarra, CIA
Chief Audit and Compliance Officer, Texas Department of Transportation - Austin, TX

Arnold Blanshard, CPA, CRMA, MBA 
Director of Internal Audit, Los Angeles Community College District (LACCD) – Los Angeles, CA

Kenneth Post, CIA, CGAP, CPA, CGFM 
Administrative Auditor, State of Connecticut – Hartford, CT

Stephen G. Goodson, CIA, CCSA, CGAP, CRMA
Internal Audit Lecturer and Consultant McCombs School of Business, The University of Texas at Austin - Austin, TX

Kip Memmott, CGAP, CRMA
Chief Audit Executive, Oregon State Treasury, Exec Division – Salem, OR

Tonia Lediju​
Director of City Audits, City Services Auditor Division, Office of the Controller, City and County of San Francisco - San Francisco, CA​

Domenic Savini
Assistant Director, FASAB - Washington, D.C.

John Wszelaki
Center Director, John Wszelaki​