About Us

County Manager

Mike Callagy

As County Manager, Mike Callagy oversees the efficient running of daily County operations and carries out policies established by the Board of Supervisors. Mike joined the County in 2013 as a Deputy County Manager and was named Assistant County Manager in April 2016. In November 2018, he assumed the role of County Manager after being appointed by the Board of Supervisors.... View moreView Mike Callagy

Deputy County Managers

Peggy Jensen

Deputy County Manager Peggy Jensen’s assignments include the San Mateo County Health , 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.... View moreView Peggy Jensen

Justin Mates

Deputy County Manager Justin Mates joined the County Manager’s Office in 2019. Justin first joined in the County in 2012 as an attorney in the County Counsel’s Office, where he represented a numb... View moreView Justin Mates

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... View moreView 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.... View moreView 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.... View moreView Michelle Durand

Roberto Manchia

San Mateo County Chief Financial Officer Roberto Manchia oversees the two-year budget process, forecasting Countywide revenues and expenditures and coordinating the issuance of debt.... View moreView Roberto Manchia
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