Dean Preston
| Dean Preston | |
|---|---|
| Official portrait, 2023 | |
| Member of the San Francisco Board of Supervisors from the 5th district | |
| In office December 16, 2019 – January 8, 2025 | |
| Preceded by | Vallie Brown | 
| Succeeded by | Bilal Mahmood | 
| Personal details | |
| Born | 1969 (age 55–56) New York City, U.S. | 
| Political party | Democratic | 
| Other political affiliations | Democratic Socialists of America | 
| Residence(s) | San Francisco, California, U.S. | 
| Alma mater | Bowdoin College UC Hastings (J.D.) | 
| Occupation | Politician, attorney | 
| Website | Board of Supervisors District 5 website | 
Dean E. Preston (born 1969) is an American attorney and former member of the San Francisco Board of Supervisors. In November 2019, Preston won a special election to finish Mayor London Breed's term on the Board of Supervisors. He was re-elected in 2020 but lost to Bilal Mahmood in 2024.
Born and having grown up in New York City, Preston graduated from Bowdoin College with a degree in anthropology and economics before moving to San Francisco. He graduated with a J.D. from UC Hastings College of the Law and was staff attorney for the Tenderloin Housing Clinic from 2000 to 2008, after which he founded and led Tenants Together, a tenant advocacy organization. Preston is a member of the Democratic Socialists of America.