Kirsten hails from Fargo, North Dakota. She did her undergraduate work at Lawrence University in Appleton, Wisconsin. She holds a Master of Music degree in trombone performance from Indiana University where she was a student of M. Dee Stewart. In April 1999, Ms. Warfield won a position in the U.S. Army Band "Pershing's Own" becoming the first woman trombonist in the unit's history. There she took over the National Solo Competition and ran it from 2009 until 2017. Now retired from that organization, she continues to seek new avenues to learn and is currently pursuing a master's degree in audio technology. In 2019, Ms. Warfield was selected as a performance fellow for the Bang on a Can Summer Festival where she worked with Pulitzer Prize winning composers Julia Wolfe and David Lang, and performed with members of the Bang on a Can All-Stars. Ms. Warfield is currently second trombone with the Arlington Philharmonic and has also served as principal trombone of the Washington Metropolitan Philharmonic and the Prince George's Philharmonic. She is a regular member ofthe contemporary music group, Great Noise Ensemble, and the ethno-funk band Black Masala. She was elected to the ITA Board of Advisors in 2018 and also volunteers with the International Women's Brass Conference. She is an educator, teaching low brass students at Episcopal High School and through Full Blown Trombone. Ms. Warfield is also an active composer performer, writing works to suit her needs and tastes to perform for local and national audiences.