Michael Allen is instructor of tuba and euphonium at Metropolitan State University of Denver. He is also principal tuba of the Boulder Philharmonic, Central City Opera Orchestra, the Colorado Ballet Orchestra, and Opera Colorado. He is a founding member of the Boulder Brass, serving as its principal tuba, music director and executive director. He is a former member of the Dallas Brass and has also performed with the Canadian Brass and Summit Brass.
Boulder Brass Publications has published over 250 of his arrangements for brass quintet and large brass ensemble. His publications have been performed and/or recorded by the Canadian Brass, Summit Brass, and the Burning River Brass. He is also a music copyist in high demand having worked for David Foster, the Moody Blues, Three Dog Night, Michael Bolton, Al Jarreau, Kansas, Paul Winter Consort, Marvin Hamlisch, Brian Wilson, the Boston Pops, and the London Symphony.