Mark DixMARK DIX first worked with AutoCAD as a programmer in 1985. The following year he began collaborating with Paul Riley to create AutoCAD training material, combining Paul's background in industrial design with his own background in writing and curricuum development. Mark received the M.A.T. from Cornell University and the M.S. degree from the University of Massachusetts.PAUL RILEY was an early advocate for exposing students to the advantages of learning AutoCAD for career advancement. Paul holds a B.S. in Education and an M.S. in Computer Technology with a career that has included teaching at public high school, private college, public university, and technology companies in the Boston area. Read More Read Less