Randy Grabowski is Professor of Trumpet at the University of Northern Iowa School of Music. He teaches applied trumpet, instructs related classes, directs the UNI Trumpet Ensemble, and collaborates with colleagues in various faculty ensembles.

In addition to his teaching responsibilities, Dr. Grabowski continues to be active as a commercial musician, performing with such recording artists as Ray Charles, the Manhattan Transfer, Aretha Franklin, Moody Blues, Mannheim Steamroller, and the Jimmy Dorsey, Nelson Riddle, Harry James, and Benny Goodman orchestras. Prior to settling in Iowa, Dr. Grabowski also performed with numerous television and recording artists such as Frank Sinatra, Tony Bennett, Dionne Warwick, Shirley MacLaine, and Sammy Davis Jr. In addition, he was Principal Trumpet of the Reno Philharmonic, MGM-Grand and Reno Hilton orchestras, was a member of the Great Basin Brass Quintet, and performed with a potpourri of musical organizations.

Currently Principal Trumpet of the Waterloo/Cedar Falls Symphony Orchestra, Dr. Grabowski has been an active soloist and clinician as well as a dedicated educator and accomplished performer. He has been principal trumpet with the Cedar Rapids Symphony Orchestra and has performed with the Chestnut Brass Company and the Bear Lake, Great Music West, and Spoleto Music Festivals. In addition, he has performed with the Indianapolis Symphony and Indiana University Faculty Brass Quintet and has presented Masterclasses in the United States and Hungary.

Dr. Grabowski has been affiliated with the International Trumpet Guild as an associate editor of the ITG Journal (Music Reviews) and author of the Ask the Teacher column on their youth web page. He was selected for inclusion in the Who's Who Among America's Teachers, 2000 and 2002. He has also been involved in recording several commercials and compact discs. He received his M.M. degree from the University of Nevada-Reno, and his B.M.E. and D.M. degrees from Indiana University.