Jon Georg Balke (born 7 June 1955) is a Norwegian jazz pianist who leads the group Siwan.

[1][2][3] Balke started playing classical piano but switched to blues at 12, though he performs within several genres.

From 1989 he focused on his own projects, such as JøKleBa (with Audun Kleive and Per Jørgensen) and the Magnetic North Orchestra for which he composed the commissioned work Il Cenoneat to Vossajazz 1992.

[5] Balke formed the percussion group Batagraf in 2002, and created the concept work Siwan with singer Amina Alaoui in 2007.

The concerts involve various practitioners of extreme sports, such as parachuting, paragliding, hanggliding, and BMX biking.