Hans Mathisen is a Norwegian Jazz guitarist, educated on the Jazzprogram at Trondheim musikkonservatorium (1988–90), well known for his Pat Metheny and Wes Montgomery inspired performances. He is the brother of Jazz musicians Per Mathisen (bass), Nils Mathisen and Ole Mathisen.

Per Mathisen is a Norwegian jazz bassist and composer who has worked with Terri Lyne Carrington, Geri Allen, Gary Thomas, Bill Bruford, Alex Acuña, Gary Husband, Ralph Peterson, Nguyen Le and Terje Rypdal. He is married to pianist Olga Konkova and is the brother of Hans Mathisen, Nils Mathisen, and Ole Mathisen.