William Bing is Director of Bands at the California Institute of Technology and Professor of Trumpet at Cal State University Northridge.  He has also taught trumpet at Cal State Fullerton and Cal State Los Angeles as well as Biola College and Occidental College.

On the classical side, William has performed and recorded with the Los Angeles Chamber Orchestra and the Los Angeles Philharmonic.  For ten years, he was a member of the trumpet section of the Los Angeles Opera Orchestra at the Music Center.  William is presently performing with many groups, including the Los Angeles Master Chorale, California Philharmonic, the Pasadena Pops, and the Pacific Symphony.

William has also performed in many small jazz groups and big bands.  He has played with the following great jazz artists:  Gary Foster, Joe LaBarbera, Gary Pratt, Allen Vizzutti, Kim Richmond and Don Ellis.