N. Alan Clark has taught and conducted at all levels from middle school through high school to professional military bands. While teaching high school in Lakeland, Florida, he also served as an adjunct music faculty member at Florida Southern College. In 1985 and 1986 he was an instructor with the Suncoast Sound Drum and Bugle Corps, working with Robert W. Smith, Frank Williams, Allan Murray, Mark Sylvester, Karl Lowe, Larry Clark, Kevin Ford, and others.
In 1987 he entered the U. S. Air Force and served as saxophone section leader and Assistant Drum Major of the Air Force Band of the West in San Antonio, Texas. In 1990 he was commissioned as an Air Force Band Officer and appointed Deputy Commander of the Band of the United States Air Forces in Europe. While stationed in Germany he conducted concert tours, ceremonies, and special marching performances in seventeen countries across Eastern and Western Europe. In 1993, Major Clark was appointed Deputy Commander of the Air Force Band of Flight in Dayton, Ohio, and served as rehearsal conductor of the Miami Valley Symphony Orchestra. In 1996, he assumed command of The Band of the United States Air Force Reserve in Warner Robins, Georgia. Major Clark accepted the appointment as Air Force ROTC Commandant of Cadets at Louisiana State University in 2004, and he retired from the Air Force in 2007 after twenty years of service.
While an Air Force music director, Major Clark worked with such notable artists as Celine Dion, Amy Grant, Vince Gill, Lee Greenwood, Wynonna Judd, Crystal Gayle, Ernie Watts, Clint Black, and others. He is a member of the National Association for Music Education, National Band Association, College Band Directors National Association, Pi Kappa Lambda, Kappa Kappa Psi, and Phi Mu Alpha. He holds both the Bachelor of Music Education and Master of Fine Arts in Saxophone Performance degrees from the University of Florida as well as the Master of Science in International Relations from Troy University. He received his Ph.D. in Music Education with a minor in composition from Louisiana State University in 2012. Dr. Clark is currently Director of Bands at Middle Georgia State University.