John Geisel, a graduate of Indiana University, has been a member of the Dallas Symphony viola section since 1984. He has also performed with the Dallas Chamber Orchestra, Dallas Bach Society, Fine Arts Chamber Players, Voices of Change and the Walden Piano Quartet. Before his appointment in Dallas, he was first violinist with the Seattle Symphony and the Pacific Northwest Wagner Festival. He has also served as Associate Concertmaster of the Omaha Symphony. His wife, JeanineĀ is the Assistant Principal Second violinist with the Fort Worth Symphony and Chamber Orchestra.