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 more

 

Assistant County Manager

Peggy Jensen

Peggy Jensen has served as assistant county manager since Jan. 4, 2022. She is a 33-year employee of the County who has most recently led the County Recovery Initiative to ensure all residents rebound from the pandemic. View more

Deputy County Managers

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, Equity

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 media relations, public affairs and crisis communications. She is responsible for strategic messaging on a wide variety of projects and initiatives and oversees a team charged with telling the County’s story using a variety of platforms. She co-chairs the Bay Area Joint Information System (JIS), a nine-county collection of communicators who collaborate on best practices and regional messaging. During times of emergency, she also heads the County’s Joint Information Center (JIC).... 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

Shireen Malekafzali

Shireen Malekafzali (she/her) joined the County Manager’s Office in April 2021 as the County’s first chief equity officer.... View moreView Shireen Malekafzali
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