In October 2004, Steve Kellner retired his 25-year career in military bands, including eleven years as principal euphonium of the U.S. Marine Band in Washington, D.C.  He was a featured soloist on several of the band’s national concert tours, summer series concerts, and served as principal euphonium on the band’s tours of Norway, England, the Soviet Union, and Switzerland.  He also played on more than fifteen Marine Band recordings.  Kellner has been a guest soloist at the Texas Bandmaster’s Association Convention, the All-Eastern Band Clinic, and the U.S. Army Tuba-Euphonium Conference, and presented master classes and clinics throughout the U.S.  A graduate of the University of Maryland and The Catholic University of America, Kellner is also on the faculty at University of Maryland, College Park.