Pat O'Keefe is an American woodwind player, one of the members of Zeitgeist ensemble and a faculty member at the University of Wisconsin-River Falls. Patrick graduated from the Indiana University, the New England Conservatory of Music and the University of California, San Diego. He performed regularly with The SONOR Ensemble Of UCSD, San Diego Symphony, and many other ensembles, including The California E.A.R. Unit, Batucada Do Norte (of which he is the co-founder and co-director), Ensemble Sospeso in New York, the Cleveland New Music Associates, world music group Music Mundial and the improvisation project AntiGravity.