Dave Cole has degrees in math and computer science and has shared his passion for education at many levels, including teaching at the college level, coaching elementary math teams, and running a summer math camp. He also has a love of writing and has written a number of plays as well as The Math Kids series (as David Cole).

Matty Mitchell was born and raised in Australia, but found his way to Seattle 11 years ago and has recently moved back to Fremantle, Western Australia with his wife, son, daughter and dog. When Matty's not chasing (or being chased by) his two munchkins, he's drawing.