Rosanna Marie Mason, American lawyer. Bar: Massachusetts 1985, Maryland 1985, Washington 1986. Recipient Performance award, United States Court Appeals (District of Columbia circuit), 2002-2005. Rules committee member Sceintist Cliffs Association, Port Republic, Maryland, 2005—2006; Member of Southern Poverty Center.
- Staff attorney Legal Aid Bureau, Salisbury, Maryland, 1984—1986. Supervisory staff attorney University Legal Services, Washington, 1986—1992. Staff attorney United States Court Appeals (District of Columbia circuit), 1992—1998, senior staff attorney, 1998—2002, staff counsel, since 2002.