Staff Members

Mark Goodwin

Mark is Supervisor Burgis' Chief of Staff, advising the Supervisor on the county budget, economic development, water, the East Contra Mark-GoodwinCosta Fire Protection District, and state and federal legislation. Mark also manages media inquiries, stakeholder relations, and the District 3 office staff. 

Prior to joining the Supervisor's staff, Mark worked for 13 years managing political campaigns and nonprofit advocacy organizations. Mark has a Master's in Public Policy from the Goldman School of Public Policy at UC Berkeley, where his major client work focused on county government.

Mark Goodwin
Chief of Staff
Supervisor Diane Burgis
Contra Costa County, District 3

Email Mark Goodwin
3361 Walnut Boulevard, Suite 140
Brentwood, CA 94513
Phone (925) 252-4500
Fax (925) 240-7261


Lea Castleberry 

Lea is Supervisor Burgis' Deputy Chief of Staff serving the unincorporated areas of Bethel Island, Byron, Discovery Bay and Knightsen. She Lea-Castleberryalso advises Supervisor Burgis on a variety of public policy matters including law enforcement and emergency services, delta waterways and aquatic weeds. 

In addition, Lea manages the appointment process for the various County-wide committees, commissions and boards within District 3. Prior to joining Supervisor Burgis' team, Lea worked for former County Supervisor Mary Nejedly Piepho for 12 years. Lea is a dedicated and passionate professional with a diverse background in the public sector.

Lea Castleberry
Deputy Chief of Staff
Supervisor Diane Burgis
Contra Costa County, District 3

Email Lea Castleberry
3361 Walnut Boulevard, Suite 140
Brentwood, CA 94513
Phone (925) 252-4500
Fax (925) 240-7261


Alicia Nuchols 

Alicia currently represents the Supervisor in the unincorporated areas of Diablo, Blackhawk, Camino Tassajara, and Clayton. She attends meetings associated with transportation, Alicia-Nucholspublic works, conservation & development, and agriculture. 

Prior to joining Supervisor Burgis' staff, Alicia worked for former County Supervisor Mary Nejedly Piepho for 3 years. Alicia and her husband reside in Clayton and have two children they are extremely proud of.


Alicia Nuchols
District Representative
Supervisor Diane Burgis
Contra Costa County, District 3

Email Alicia Nuchols
3361 Walnut Boulevard, Suite 140
Brentwood, CA 94513
Phone (925) 252-4500
Fax (925) 240-7261


Dawn Morrow
 

Dawn represents Supervisor Burgis in the communities of Oakley and Antioch. Among her areas of focus are the Northern Waterfront Initiative, Veterans, Senior citizens, Health and Dawn-MorrowHuman Services, Animal Services and other regional constituent issues. She attends various advisory body and community meetings to keep the Supervisor informed of current issues. 

A background in graphic design, Dawn contributes to design and materials development, maintains the District 3 website, bi-weekly newsletter, and social media accounts. Dawn and her husband Brad have been residents of Oakley for over 25 years, where she has stayed actively involved in her community.

Dawn Morrow
District Representative
Supervisor Diane Burgis
Contra Costa County, District 3

Email Dawn Morrow
3361 Walnut Boulevard, Suite 140
Brentwood, CA 94513
Phone (925) 252-4500
Fax (925) 240-7261


Manny Bowlby 

Manny is responsible for all District 3 office operations and manages Supervisor Burgis' day-to-day schedule. Manny-BowlbyManny has been known to work miracles, accommodating requests to meet with Supervisor Burgis and responding to constituent concerns. 

Fluent in Spanish, Manny serves as the District 3 translator as well. Prior to joining Supervisor Burgis' staff, Manny worked for former Supervisor Mary Piepho for 2 1/2 years.

Manny Bowlby
Scheduler/Office Manager
Supervisor Diane Burgis
Contra Costa County, District 3

Email Manny Bowlby
3361 Walnut Boulevard, Suite 140
Brentwood, CA 94513
Phone (925) 252-4500
Fax (925) 240-7261