Ursula Jones Dickson, a 45-year-old Oakland resident and deputy district attorney with the Alameda County District Attorney's Office, was named to the Pleasanton court.
Brown also appointed Alison Tucher, a 51-year-old Berkeley resident and a partner at Morriston and Foerster.
In Solano County, Brown appointed Christine A. Carringer, a 59-year-old Fairfield resident and staff counsel at Katchis, Harris and Yempuku to Solano County Superior Court.
He also appointed John C. Cope, a 50-year-old Benicia resident and deputy district attorney for the Contra Costa District Attorney's Office, to Solano County Superior Court.
In Sonoma County, Brown appointed Lawrence E. Ornell, a 52-year-old Santa Rosa resident who has served as a commissioner since 2004, to Sonoma County Superior Court..