W. Gary Sitton, PhD, spent time working on a dairy ranch and freight dock before earning a doctorate in computer science and teaching at universities in Canada, New Zealand, and Ca...ver maisW. Gary Sitton, PhD, spent time working on a dairy ranch and freight dock before earning a doctorate in computer science and teaching at universities in Canada, New Zealand, and California. He sold a company that was earning $30 million per year in 1995, and he now teaches a graduate class on technical startups.ver menos