Mark Tollefson

Mark Tollefson was appointed to the TJPA Board by the California High-Speed Rail Authority (CHSRA) effective October 2025. Mr. Tollefson was appointed as Chief of Staff at the CHSRA in February 2025. He previously served as Undersecretary of the California State Transportation Agency. He was Senior Counselor on Infrastructure and Fiscal Affairs in the Office of Governor Newsom in 2022, where he was previously Deputy Cabinet Secretary from 2019 to 2022, covering transportation, housing and homelessness issues. Mr. Tollefson held several positions at the California Department of Finance from 2007 to 2019, including Assistant Program Budget Manager, Principal Program Budget Analyst, and Finance Budget Analyst. He earned a Master of Business Administration degree in Finance from California State University, Sacramento and a Bachelor of Science degree in Managerial Economics from the University of California, Davis.