Don Cornell graduated from his Dental Technology Program in 1981. He worked in a small quality laboratory until opening his own lab in 1985. In 1988 he began lecturing and teaching advanced ceramic techniques to dentists and technicians in the United States. In 1989 he moved to Milwaukee, Wisconsin, to work with Dr. Robert Winter, where he stayed until 1993. Don now operates his laboratory in Madison, Connecticut. He has been extensively published in both dental and technical journals and has lectured and taught advanced ceramic techniques in more than thirty countries around the world to date.