An active artist who worked with Herbert Bayer at Aspen, Colorado, Professor Risbeck teaches in the graphic design concentration. Especially active in poster art, he is co-founder and co-director of the Colorado International Invitational Poster Exhibition. He has won medal awards in competition, and has had one-artist shows in Moscow, Paris, Riga, Porto, Warsaw, Cerveira and Havana. His work is included in permanent collections of poster museums in Europe, Japan and the United States.