Mayor Lurie said Battalion Chief Dean Crispen will lead the department, replacing interim chief Sandy Tong. Crispen comes into the role with 34 years of experience in the department.

Daniel Lurie, a nonprofit founder, self-described "political outsider" and Levi Strauss heir who ran one of the most expensive mayoral races in the city's history, was sworn in as San Francisco's 46th mayor Wednesday.

Daniel Lurie was officially sworn in as San Francisco mayor on Wednesday during a star-studded celebration packed with thousands of attendees at Civic Center Plaza.