Michael Williams, (born December 22, 1962), known professionally as Sister Roma, is an American drag queen activist and actress.

[4] Roma has served as an emcee and judge for the San Francisco Drag King Contest,[5] the 2005 benefit Porn Idol;[6] and at the BDSM/leather event the Folsom Street Fair.

[7] For the 24th annual Folsom Street Fair, held September 30, 2007, the official poster artwork was a controversial photo featuring well-known LGBT and BDSM community members in festive and fetish attire including Roma "as players in an innovative version of the culturally iconographic" The Last Supper by Leonardo da Vinci, complete with table draped with the Leather Pride flag and "cluttered with sex toys, whips, and various (BDSM) restraints".

In 2003, Roma's drag act was incorporated into Ronnie Larsen's play Sleeping With Straight Men with Mink Stole in San Francisco.

[10][11] In 2006, Roma was nominated for Best Nonsexual Performance Gay Adult Video News (GAYVN) award for her portrayal of Mona Lott, the maid of Wet Palms, which is a ten-episode gay-porn soap opera series.