Kroeker is also a specialized ethnomusicologist and a registered clinical counsellor, an accredited music therapist and a Zürich-trained Jungian analyst.
His debut CD Naive Bohemian was an independent release in 1999 with some success on Canadian campus radio.
He had great success in Quebec as well with his single co-written with Dany Bédar called "Déjà Vu".
In 2010, Kroeker became part of the jazz band Jazz Council made up of Bernie Primbs (saxophone), Laurel Ralston (trumpet and flute), Sven Heyde (percussions) Tim Plait (piano) and Joel Kroeker (bass).
BC Musician called the album "readily accessible and played with great energy and a high level of proficiency"[6] After Kroeker left Jazz Council in 2011, he took up a teaching position teaching music and drama in Sparwood, British Columbia.
[7] Kroeker now works as a registered clinical counsellor and music therapist based in Victoria, British Columbia, conducting individual counselling/therapy sessions, music therapy, educational workshops and seminars.
The 2004 Canadian film Ham & Cheese directed by Warren P. Sonoda uses one of Kroeker's singles entitled "The Wind".