Duncan turned to Cartooning with a vengance in 2000 with work published in On the Edge, Climbing and High Mountain Sports. He has worked for various magazines over the years including Adventure Travel Magazine, Mini Magazine and Punch. Currently he works for Forestry Journel and Essential ARB.
Corporate and advertising clients include illustrations for Macmillan Languagehouse, Greenshires Publishing, KES, Easy Greet cards and TEP- Environment Partnership