Staff Members

Lea Castleberry

Lea is Supervisor Burgis’ Deputy Chief of Staff currently serving the unincorporated areas of Bethel Island and Knightsen.  She attends a variety of advisory body and community meetings in the areas of law enforcement and emergency services, public policy, delta waterways and aquatic weeds to keep Supervisor Burgis appraised of the various issues in District 3.  In addition, she handles constituent issues, and appointments and resignations for the various volunteer committees, commissions and councils within District 3.  Prior to joining Supervisor Burgis’ staff, Lea worked for former County Supervisor Mary Nejedly Piepho for 12 years.  Lea joined the District 3 Staff with broad experience working in the public sector.

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

Lea.Castleberry@bos.cccounty.us

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



Alicia Nuchols

Alicia is a District Representative for Supervisor Burgis currently representing the unincorporated areas of Byron, Discovery Bay, Diablo, Blackhawk, Camino Tassajara, and Clayton.  She attends advisory body and community meetings as well as meetings associated with transportation, public works, conservation & development and agriculture.  She provides a direct line of communication back to Supervisor Burgis on any issues within her communities.  Alicia also handles eblasts and press releases for District 3.  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 

alicia.nuchols@bos.cccounty.us

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 Public Utilities, Northern Waterfront Initiative, East County Veterans, Senior citizens, 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 as well as social media.

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 

dawn.morrow@bos.cccounty.us

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’s day-to-day schedule. Manny 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.

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

manny.bowlby@bos.cccounty.us

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