About Us

County Manager

John L. Maltbie

As County Manager, John L. Maltbie oversees the efficient running of San Mateo County's government and carries out the policies set by the Board of Supervisors. John has more than 30 years of experience in local government. He has served as City Manager of Milpitas, Calif., and Glendale, Ariz., as well as Assistant County Executive of Santa Clara County and County Manager of San Mateo County. He served as County Manager from 1989 to 2008 and came out of retirement in 2011 to again serve as County Manager.... ViewView John L. Maltbie

Assistant County Manager

Mike Callagy

Assistant County Manager Mike Callagy’s responsibilities include coordinating anti-Human Trafficking efforts throughout the County, Parks, Public Safety Communications, Criminal Justice programs, Agriculture/Weights and Measures, North Fair Oaks Forward, LAFCo, Public Works, Planning and Building, Emergency Response, Animal Control and the Library JPA. Mike joined the County of San Mateo in 2013 as a Deputy County Manager and was named Assistant County Manager effective April 2016.... ViewView Mike Callagy

Deputy County Managers

Peggy Jensen

Deputy County Manager Peggy Jensen’s assignments include the Health System, Human Resources, Office of Sustainability, Child Support Services, the County’s agile organization, affordable housing, homelessness and a livable wage initiatives. She also sits on the Health Plan of San Mateo's Health Commission, the San Mateo Medical Center Board of Directors and the San Mateo County Library Joint Powers Authority Operations Committee.... ViewView Peggy Jensen

Iliana Rodriguez

Deputy County Manager Iliana Rodriguez joined the County Manager’s Office in 2017 after serving the last four years as director of the Human Services Agency where among her many successes she ov... ViewView Iliana Rodriguez

Intergovernmental Affairs, Budget, Communications

Connie Juarez-Diroll

As Legislative Director, Connie Juarez-Diroll leads federal and state intergovernmental activities, directs the County’s advocacy teams, develops policy and programmatic analysis for the Board of Supervisors, and works on special projects.... ViewView Connie Juarez-Diroll

Michelle Durand

As Chief Communications Officer, Michelle Durand leads the County’s public affairs and media relations. She is responsible for developing communications strategies for a wide variety of projects and initiatives and identifying new ways to help San Mateo County deliver its goals of collaboration and transparency.... ViewView Michelle Durand

Roberto Manchia

San Mateo County Budget Director Roberto Manchia oversees the two-year budget process, forecasting Countywide revenues and expenditures and coordinating the issuance of debt.... ViewView Roberto Manchia

Departments

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About Us

County Manager

Assistant County Manager

Deputy County Managers

Intergovernmental Affairs, Budget, Communications