For nearly twenty-five years, Mark Nelson has pioneered developments in solo tuba literature with extensive commissions and premieres of new music for tuba. He has made appearances as a recitalist, lecturer, adjudicator, and master class teacher in Canada, Japan, Australia, England, and across the United States. Many of the new works Nelson has commissioned appear in his two CD recordings, New England Reveries and Aboriginal Voices. He has also had published a dozen tuba/euphonium ensemble arrangements, over 160 reviews in the I.T.E.A. Journal, and articles in several music journals on a variety of topics. He has been on the editorial staff of the I.T.E.A. Journal since 1985, currently serving as Editor of New Materials, and also served as Secretary on the I.T.E.A. Executive Committee. His book, The Tuba as a Solo Instrument: Composer Biographies, was released by Tuba-Euphonium Press in June 1995. He is also one of the principal editors of the original edition of the Tuba Source Book. Mark Nelson's formal education includes the Bachelor of Arts degree, magna cum laude, from Point Loma Nazarene University; the Licentiate Performer's Diploma from Trinity College of Music, London; the Master of Music and Doctor of Musical Arts degrees from Arizona State University; and the Master of Education degree in Education Administration from the University of Vermont. His principal tuba teachers have been Barton Cummings, Charles Hansen, Raymond Nutaitis, Roger Bobo, and Daniel Perantoni. He is currently the Chair of Performing Arts at Pima Community College in Tucson AZ and performs with Symphonia, the Southwest Brass Quintet, Big Band Express on bass trombone, the Southern Arizona Symphony, Arizona Symphonic Winds, and occasionally with the Tucson Symphony Orchestra.