Carl L. Slagley holds memberships in ASCAP, the American Society of Composers, Arrangers, and Producers, the Texas Music Educators Association, the Texas Bandmasters Association, and the Texas Orchestra Directors Association. He earned the Bachelor’s Degree in Music Education at Southern Illinois University, the Master’s Degree in Music Education at The Catholic University of America in Washington, D.C., and the Doctor of Education Degree in Curriculum and Instruction (Music Education) at The University of Houston.

Dr. Slagley served in “The President’s Own”, United States Marine Band, Washington, D.C., as a Euphonium Bandsman and Soloist.  During his tenure with the Marine Band, Dr. Slagley performed at concerts and ceremonies for Presidents, Kings, and Queens, and heads of state at The White House and throughout the nation.

His Principal Teachers included: Mr. Bernard Schneider (Principal Trombone, St. Louis Symphony); Mr. Lloyd Geisler (Principal Trumpet/Associate Conductor, The National Symphony); Dr. John Marcellus (Principal Trombone, The National Symphony, The Eastman School of Music); Master Gunnery Sergeant Arthur Lehman (Principal Euphonium, “The President’s Own, United States Marine Band); Colonel Truman Crawford (Commanding Officer/Conductor/Composer/Arranger, “The Commandant’s Own”, United States Marine Drum and Bugle Corps), and Mr. Eddie Green, (Conductor, The University of Houston).

Dr. Slagley has performed in Symphony, Opera, Ballet, and Musical Theater Orchestras – as well as Symphonic and Concert Bands, Jazz Ensembles, and Small Combos.

Throughout his career, Dr. Slagley has developed teaching and performance proficiencies in all Brass, Woodwind, Percussion, and String Instruments. Still an active musician, Dr. Slagley has honorably completed more than fifty years of teaching, directing, writing, and arranging for symphonic winds, orchestras, and jazz ensembles.

Having written commissioned arrangements, transcriptions, and original compositions for decades, his works have been performed throughout North America.