Bill Redpath is the chairman of the Libertarian Party, first elected by delegates to the 2006 Libertarian National Convention in Portland, Oregon in July 2006. He was re-elected by delegates to the 2008 Libertarian National Convention in Denver, Colorado on May 26, 2008. Born and raised in Findlay, Ohio, Redpath attended Indiana University and then earned a Master of Business Administration from the University of Chicago. Currently a resident of Leesburg, Virginia, Redpath is the vice president of a financial consulting firm.

Redpath joined the Libertarian Party in 1984 and served as chairman of the Virginia Libertarian Party from 1989–1991 and the national treasurer for the Libertarian Party from 1991–1993 and from 2003–2004. He ran twice for the Virginia state legislature in the 1990s and for Governor of Virginia in 2001, receiving 0.8% of the vote. He is noted with the Libertarian Party for his ballot access work as during his tenure as chairman of the Libertarian Party's Ballot Access Committee it achieved ballot access in all 50 states in two consecutive elections (1992 and 1996). Redpath currently serves as treasurer for FairVote.

In January 2008, Redpath announced his intention to seek the Libertarian nomination for the Senate seat being vacated by Senator John Warner.