Katherine Kellert is an active freelance musician and private instructor in the Washington, D.C. area. She received her Bachelor of Music in Clarinet Performance from Arizona State University, where she studied with Robert Spring. Her teachers have included Robert Spring, Steven Cohen, Scott Bridges, and Sandra Garner-Mosteller. Currently she is the Principal Clarinettist with the Mantovani Orchestra and performs regularly at theaters and with ensembles in the Washington, D.C. area.

An accomplished chamber and orchestral musician, she has appeared in recitals and performances across the United States and has attended summer programs such as the National Orchestral Institute and the Brevard Music Center. She has performed with the Maryland Chamber Orchestra, Alexandria Symphony, New Dominion Chorale Orchestra, McLean Orchestra and National Cathedral Choral Society Orchestra, among others. She also appeared as a soloist with the Maryland Chamber Orchestra during their 2001-2002 season.

She appears on the recording eXchange: China, performing Kawai Shiu’s Winter Tide.

She maintains an active music studio of over forty students throughout the year, many of whom have gone on to pursue successful careers in the arts and other distinguished fields. Her students perform in recitals and concerts throughout the year and have participated in many contests, honors bands and orchestras, and competitions.