He is a long time member of the Winnipeg Sketch Club and has held every position on the club's executive, including president. He is also a member of CARFAC Manitoba and held the position of vice-chair with that artists' advocacy organization for two years.
His subject matter comes from two distinct sources. One is nature, particularly the landscapes and settings of the south Whiteshell Provincial Park where he has spent considerable time. The other source is imagination. He has composed a number of striking and memorable paintings and drawings by creating characters and placing them in scenes based on dreams, memories and possibilities.George has held a number of solo exhibitions of his work as well as regularly participating in groups shows. His entries have won several awards at the Winnipeg Sketch Club's Annual Juried Exhibitions and the Red River Exhibition Art-Extravaganza. His artwork is included in several corporate and individual collections. His work can be seen at the Hi-Point Restaurant, West Hawk Lake, Manitoba and online at www.gtanner.com