Executive Staff

James Hacker was appointed Undersecretary of the California State Transportation Agency in April 2025.

N’guessan Affi joined CalSTA as Freight Policy Manager in July 2024.

Jessica Chan was appointed Acting Deputy Secretary for Safety and Enforcement in September 2025. With over 15 years of public service in California state government, Jessica has built a career at the intersection of technology, transportation safety and administration.

Christine Casey was appointed Deputy Secretary of Freight Policy at CalSTA by Governor Newsom in February 2024.

This position is currently vacant.

Kimberly Erickson has been designated Deputy Secretary for Communications at CalSTA, after having acted as the Assistant Deputy Secretary since August 2024.

Alejandro Espinoza was appointed Deputy Secretary for Legislation by Governor Newsom in December, 2019.

In November 2019, Giles Giovinazzi started as Senior Advisor to CalSTA with over 20 years of transportation policy, legislative and regulatory experience.

Allison Joe was appointed as Deputy Secretary for Equity and Workforce at CalSTA by Governor Gavin Newsom in December 2024.

Marcie Kahbody is the Deputy Secretary of Technology, Agency Information Officer for CalSTA as well as the Chief Information Officer for Caltrans.

Karl Kopper is the Agency Information Security Officer (AISO) for the California State Transportation Agency.

Tamie McGowen was appointed Senior Advisor for Strategy and Operations at CalSTA by Governor Newsom in July 2025.

Julia Kingsley was appointed CalSTA’s Deputy Secretary for Environmental Policy and Housing Coordination by Governor Gavin Newsom in December 2025. In this role, Julia focuses on initiatives related to reducing vehicle miles traveled, housing and transportation coordination, and climate resilience, amongst other issues. 

Carlos Quant joined CalSTA as the Deputy Secretary for Budget and Administration in October 2020.

Alana Sanchez joined CalSTA as International Transportation Policy Manager in July 2024.

Susan Sommercamp was appointed Special Assistant to the CalSTA Secretary by Governor Newsom in September 2023.

Toni Tinoco joined CalSTA as Assistant Deputy Secretary for Communications in September 2025.  

Emily Warren was appointed Deputy Secretary for Innovative Mobility Solutions at the California State Transportation Agency (CalSTA) in March of 2025 by Governor Gavin Newsom.  

Alicia Fowler was appointed as General Counsel at the California State Transportation Agency by Governor Newsom in January 2025