William Mann joined the Des Moines Symphony Orchestra as second trombone in the fall of 2016 and is currently the Assistant Professor of Trombone at Georgia State University.  He is also a founding member of the American Trombone Quartet and second trombone with the Columbus Symphony Orchestra (GA).

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Prior to his appointment at GSU, William taught at Morehead State University, the University of Missouri, Prairie View A&M University and the University of Mary-Hardin Baylor. In addition to college teaching, William taught instrumental music in the Texas Public Schools and served as a private studio teacher for over 12 years.

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As a member of the American Trombone Quartet, William has appeared at the International Trombone Festival, the Lille Trombone Festival (Lille, France), the Midwest Trombone Euphonium Conference, the Big 12 Trombone Conference, Illinois State University, the University of Iowa, the University of Virginia, Virginia Commonwealth University, and James Madison University.

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William is regularly sought after as a lecturer, clinician and performer throughout the United States and Brazil, including the Bay View Music Festival in Bay View, MI, the Third Coast Trombone Retreat, and the Festival Nacional de Musica in Goiania, Brazil.

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In addition to performing with the Des Moines and Columbus (GA) Symphony Orchestras, William’s orchestral experiences also includes performances with the Atlanta, Chattanooga, Lexington Philharmonic, Ohio Valley, West Virginia, Quad-City, Missouri, Tuscaloosa, Meridian, Victoria and Waco Symphony Orchestras. He has also performed with the Austin Lyric Opera, as well as the Victoria Bach, Texas Music and Hot Springs Music Festivals, and the 49th Armored Division Band. His jazz experience includes performing with the Di Martino Osland Jazz Orchestra (DOJO) and the Waco Jazz Orchestra, among others.

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William received his Doctor of Musical Arts and Master of Music degrees in trombone performance from the University of Texas at Austin in addition to a Bachelor of Music Education from Baylor University.