Dr. Johnson is Director of Choral Activities at Northern Illinois University where he directs the Concert Choir, Chamber Choir and teaches choral literature and conducting. Ensembles under his direction have performed at national, division, and state ACDA, NCCO, and MENC conventions, Avery Fisher Hall, Lincoln Center NYC, and appeared with many professional orchestras. He is also the Founding and Artistic Director of Cor Cantiamo, a semi-professional ensemble in residence at NIU. 

During his tenure at NIU Dr. Johnson has collaborated with many leading composers of our time including Morten Lauridsen, Libby Larsen and commissioned new works from Sir John Tavener, Jaakko Mäntyjärvi, and Stacey Gibbs. Internationally, Johnson has served as a guest conductor of the Clare College Chapel Choir, Cambridge, England, taught at Makumira University, Tanzania, and directed guest choral residencies at Canterbury and Worcester Cathedrals in England. He has studied conducting with Helmut Rilling, Dennis Keene, Robert Fountain, and Weston Noble. 

Dr. Johnson has published music with Santa Barbara Music Publishing, has several articles published in the Choral Journal and has presented interest sessions at national, divisional, and state ACDA conventions. He is active nationally as a clinician, conductor and adjudicator and is Past-President of the Illinois-ACDA. He earned degrees from University of Illinois, University of Wisconsin-Madison, and Luther College.