His first job in publishing was as a foreign language consultant for Holt, Rinehart. He went on to serve in a variety of editorial and marketing capacities there, and at Houghton Mifflin Co., where he became a vice president. He left that position to join Charlesbridge (then Mastery Education Corporation) in 1981.
Don is an avid reader and a writer. His particular interests are history--especially American history--science non-fiction, and mysteries.