Keith Gary Sebelius (born November 8, 1949), known professionally as K. Gary Sebelius or Gary Sebelius, is an American magistrate judge and a former federal judicial nominee to the United States District Court for the District of Kansas. He is the husband of former United States Secretary of Health and Human Services Kathleen Sebelius and also served as the First Gentleman of Kansas from 2003 to 2009, while his wife was governor.