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1010 10th Street
Modesto, CA 95354
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General Services Agency


Dan Wirtz

GSA Director / County Purchasing Agent

Mr. Wirtz's professional career spans over two decades with Stanislaus County with demonstrated leadership and diverse work experience throughout the County organization. Mr. Wirtz started his career as an Accountant II with Behavioral Health and Recovery Services (BHRS), promoting to the Fiscal Manager for the Health Services Agency, the Library and the Sheriff Office, then promoting to the Assistant Director for BHRS and the Community Services Agency (CSA). As the Assistant Director for CSA, he maintained responsibility for finance and administrative operations for the County's largest department. In September 2020 Mr. Wirtz was appointed as the General Services Agency Director / County Purchasing Agent. Mr. Wirtz has played an integral role in partnership with the General Services Agency and Capital Projects team throughout his career. He is recognized as a high achiever with a focused approach to fiscal accountability, employee development, and strong customer service and

Mr. Wirtz is a graduate of San Diego State University with a bachelor's degree in Business Administration - Accounting.

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