City Manager


The City Manager serves as the chief executive officer responsible for day-to-day administration of Vallejo's City affairs and implementation of City Council policies.

Senior Leadership Team and Bios

Greg Nyhoff, City Manager

View bio here.

Anne Cardwell, Assistant City Manager

View bio here.

Claudia Quintana, City Attorney

Claudia QuintanaBio coming soon.

Andrew Bidou, Police Chief

View bio here.

Daryl Arbuthnott, Fire Chief

View bio here.

Mike Malone, Water Director

Mike MaloneBio coming Soon.

Terrance Davis, Public Works Director

Terrance DavisBio coming soon.

Rekha Nayar, Acting Finance Director

Bio and photo coming soon.

Heather Ruiz, Human Resources Director

Heather RuizBio coming soon.

Greg Taylor, Information Technology Director

Greg TaylorBio coming soon.

Judy Shepard-Hall, Housing and Community Development Manager

Photo and bio coming soon.

Dawn Abrahamson, City Clerk

View bio here.

Joanna Altman, Assistant to the City Manager

Joanna Altman is the Assistant to the City Manager.  She is responsible for a wide variety of special projects and is the City’s Public Information Officer.  She possesses nearly 12-years of local government experience, beginning her career in the City of Pinole, California.

Ms. Altman currently oversees implementation and regulation of the City’s cannabis ordinance, oversees the City’s Parking and Participatory Budgeting Programs, and staff’s the City’s McCune Collection Commission. Other important duties include collaborating on special projects and communications with other City departments, including organizational development, special events and production of several informative City news and reports. 

Ms. Altman holds a Master of Public Policy and Administration degree from Golden Gate University and a Bachelor of Arts degree in Public Administration from California State University, Bakersfield where she competed as a collegiate swimmer.  A native to Vallejo’s neighbor, Benicia, Ms. Altman calls Vallejo a second home.

Will Morat, Assistant to the City Manager

Will MoratBio coming soon.

Michelle Straub, Executive Assistant to the City Manager

Michelle StraubBio coming soon.