Our Team
The Contra Costa Transportation Authority (Authority) Board is made up of eleven (11) appointed voting officials and three (3) non-voting Ex-Officios representing cities/towns, Contra Costa County, Conference of Mayors, bus transit operators across Contra Costa County, Metropolitan Transportation Commission, and the Bay Area Rapid Transit district. The Authority Board meets on the third Wednesday of the month at 6:00 p.m. in the Boardroom located at 2999 Oak Rd., Ste. 110, Walnut Creek. For detailed meeting information for the Authority Board, Standing Committees, and Advisory Committees, please refer to our Meetings page. For detailed information on the Advisory Committee, please refer to our Advisory Committees page.
The Authority Board has two Standing Committees: Administration and Projects Committee and Planning Committee. For membership information, please refer to our Meetings page.
Please refer to the Commissioners section below for more detailed information on the Authority Board members.
The Authority has a dedicated staff team with a passion for ensuring safe, accessible, and efficient transportation for those who travel in Contra Costa County. They work to plan, fund, and implement innovative mobility programs that strengthen our diverse communities and improve the lives of residents. Contact information for individual staff can be found in the Staff Team section below.
Commissioners
Darlene Gee, Chair
Appointed By: Southwest Area Transportation Committee (SWAT)
Committee Assignment: Administration & Projects
Alternate: Susan Candell, Councilmember, City of Lafayette
Term: February 3, 2025 – January 31, 2027
Sue Noack, Vice Chair and MTC Ex-Officio Rep.
Appointed By: Central County Transportation Partnership and Cooperation (TRANSPAC) (Commissioner)
Appointed By: Conference of Mayors as Ex-Officio Rep. for the Metropolitan Transportation Commission
Committee Assignment: Administration & Projects
Alternate: Richard Enea, Vice Mayor, City of Clayton
Term: February 1, 2026 – January 31, 2028
Mark Armstrong, Commissioner
Appointed By: Southwest Area Transportation Committee (SWAT)
Committee Assignment: Planning
Alternate: Karen Stepper, Councilmember, Town of Danville
Term: February 1, 2026 – January 31, 2028
Newell Arnerich, Commissioner
Appointed By: Conference of Mayors
Committee Assignment: Administration & Projects
Alternate: Shannon Shaw, Councilmember, City of Oakley
Term: February 1, 2025 – January 31, 2027
Juan Antonio Banales, Commissioner
Appointed By: East County Transportation Planning Committee (TRANSPLAN)
Committee Assignments: Administration & Projects
Alternate: Ron Bernal, Mayor, City of Antioch
Term: February 1, 2026 – January 31, 2028
Diane Burgis, Commissioner
Appointed By: Contra Costa County Board of Supervisors
Committee Assignment: N/A
Alternate: 1st – Candace Andersen, Supervisor, Board of Supervisors (District II)
Alternate: 2nd: Shanelle Scales-Preston, Supervisor, Board of Supervisors (District V)
Alternate: 3rd – John Gioia, Supervisor, Board of Supervisors (District I)
Term: January 14, 2025 – January 31, 2027
Ken Carlson, Commissioner
Appointed By: Contra Costa County Board of Supervisors
Committee Assignment: Planning
Alternate: John Gioia, Supervisor, Board of Supervisors (District I)
Term: February 1, 2024 – January 31, 2026
Chris Kelley, Commissioner
Appointed By: West Contra Costa Transportation Advisory Committee (WCCTAC)
Committee Assignment: Administration & Projects
Alternate: 1st – Rebecca Saltzman, Mayor Pro Tem, City of El Cerrito
Alternate: 2nd – Cesar Zepeda, Vice Mayor, City of Richmond
Term: February 1, 2026 – January 31, 2028
Aaron Meadows, Commissioner
Appointed By: East County Transportation Planning Committee (TRANSPLAN)
Committee Assignment: Planning
Alternate: Susannah Meyer, Mayor, Brentwood
Term: February 1, 2025 – January 31, 2027
Carlyn Obringer, Commissioner
Appointed By: Central County Transportation Partnership and Cooperation (TRANSPAC)
Committee Assignment: Planning
Alternate: Kevin Wilk, Mayor, City of Walnut Creek
Term: January 23, 2025 – January 31, 2027
Rita Xavier, Commissioner
Appointed By: West Contra Costa Transportation Advisory Committee (WCCTAC)
Committee Assignment: Planning
Alternate: 1st – Rebecca Saltzman, Mayor Pro Tem, City of El Cerrito
Alternate: 2nd – Cesar Zepeda, Vice Mayor, City of Richmond
Term: January 24, 2025 – January 31, 2027
Candace Andersen, MTC Ex-Officio
Appointed By: Conference of Mayors as Ex-Officio Rep. for the Metropolitan Transportation Commission
Alternate: None
Term: January 14, 2025 – February 1, 2027
Mark Foley, BART Ex-Officio
Representing: Bay Area Rapid Transit (BART)
Committee Assignment: N/A
Alternate: Matthew Rinn, Director, BART (District 1)
Term: February 1, 2026 – January 31, 2027
Amy Worth, Bus Operator Ex-Officio
Appointed By: Central Contra Costa Transit Authority, dba County Connection
Committee Assignment: N/A
Alternate: Louie Rocha, Director, Eastern Contra Costa Transit Authority, dba Tri Delta Transit
Term: February 1, 2026 – January 31, 2027
Staff Team
Danielle Elkins
Tarienne Grover, MMC, EMPA