Mr. McCombs has teaching experience as Director of Bands for the Lynnville-Sully Community Schools, Assistant Director of Bands at Valley High School in West Des Moines, and adjunct instructor of music at William Penn College. He is presently a band director for the Pella Community Schools, an adjunct instructor of music at Central College, an affiliate faculty instructor of percussion at Simpson College, and a performer in civic and commercial shows in and around the Des Moines area. Mr. McCombs has been the conductor for numerous Honor Festival bands as well as having served on the staff for the Iowa State Fair Jazz Band, the 1000 Hills Summer Music Camps and the Southwest Iowa Percussion Camp.
McCombs is active as a percussion clinician and arranger and as a clinician and adjudicator for jazz, marching, and concert bands. He is a former co-chair of the Iowa Jazz Championships, and is past president of the South Central Iowa Bandmasters Association, the Iowa Jazz Educators, and the Iowa Bandmasters Association.