Became engaged to actress/producer/humanitarian Jennifer Siebel Newsom. (December 29, 2007)
Said in a 2014 interview with the San Francisco Examiner that the impetus to marry same-sex couples in San Francisco was the 2004 State of the Union address (to which he was invited) in which President George W. Bush advocated a ban to such marriages through a constitutional amendment.
Chosen by Time Magazine as one of 17 "People Who Matter" for 2004.