Dr. Krueger earned the Bachelor of Arts degree in music education from Luther College in Decorah, Iowa, the Master of Music degree from the University of Northern Colorado at Greeley (UNC) and the Doctor of Musical Arts degree in choral conducting and literature from the University of Illinois at Urbana-Champaign. He has served on the music faculties of Ithaca College, Morningside College, Millikin University, and the University of Wyoming.
As a performer, Krueger was a member of the Grammy Award-winning Robert Shaw Festival Singers and the Grammy-nominated UNC Axidentals Vocal Jazz Ensemble. He has conducted all-state, honor choir and choral festival performances for singers of all ages throughout North and South America and has led numerous concert tours to the cultural centers of Europe.