Kee taught at the Music Lyceum and Sweelinck Conservatory in Amsterdam from 1954 until 1988, and at the Haarlem International Summer Academy for Organists. He was organist of the Hagerbeer-Schnitger organ in St. Laurens church in Alkmaar from 1952 to 1987, and city organist of the world-famous Müller organ at St. Bavo church in Haarlem from 1956 until 1989.