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

Mara Ash​, CIA, CGAP, CGFM, CRMA
CEO of Business & Financial Management Solutions, LLC – Austin, TX

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

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

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

Dr. Peter Hughes, CIA, CPA, MBA, CFE, CFF, CITP, CCEP, CGMA
Los Angeles County Assistant Auditor Controller - Los Angeles, CA

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

Kip Memmott, CGAP, CRMA
Audit Director - ‎Oregon Secretary of State – Salem, OR

Glenda Ostrander, CIA, CGAP, CRMA, CGFM, CFE
Director of Internal Audit, Gwinnett County Public Schools – Atlanta, GA

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

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

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

John Wszelaki
Center Director, John Wszelaki​