Board of Supervisors was held on January 27, 2015. First District Supervisor Janet Nguyen had resigned on December 1, 2014, when she took office as a member of the California State Senate to replace the term-limited Lou Correa. Ironically, Nguyen had been elected as First District Supervisor in a February 6, 2007, special election to replace Correa, who had resigned when he took office as a member of the California State Senate to replace the term-limited Joe Dunn. Former Garden Grove City Councilman Andrew Do, Nguyen's supervisorial Chief of Staff, won the special election to fill the remaining two years of the term by 43 votes over Correa. March 12, 2019, Third District special election The fifth special election used to fill a vacancy on the Orange County Board of Supervisors was held on March 12, 2019. Third District Supervisor Todd Spitzer had resigned on January 7, 2019, when he took office as District Attorney of Orange County after defeating incumbent Tony Rackauckas. Irvine Mayor Donald P. Wagner won the seat by 5% over former Congresswoman Loretta Sanchez. March 9, 2021, Second District special election The sixth special election used to fill a vacancy on the Orange County Board of Supervisors was held on March 9, 2021. Second District Supervisor Michelle Steel had resigned on January 3, 2021, when she took office as a member of the United States House of Representatives after defeating incumbent Harley Rouda. Costa Mesa Mayor Katrina Foley won the seat by 12% over former State Senator John Moorlach. Special districts Following are the special districts managed by the Orange County Board of Supervisors Flood control Development agency Lighting County Service Area Sewer Maintenance Chairs and Vice Chairs Harriett Wieder became the first woman to serve as Vice Chair in 1980 and as Chair in 1984. Patricia C. Bates and Janet Nguyen became the first pair of women to serve as Chair and Vice Chair concurrently in 2009. Gaddi Vasquez became the first Latino to serve as Vice Chair in 1990 and as Chair in 1991. Janet Nguyen became the first Asian American to serve as Vice Chair in 2009 and Chair in 2010. Lisa Bartlett and Michelle Steel became the first pair of Asian Americans to serve as Chair and Vice Chair concurrently in 2016. Supervisors Notes External links Orange County Board of Supervisors Board of Supervisors County government in California Politicians from Greater Los