sentences:  Before taking that office, he served as a Colorado State Senator from 1991 to 1994, and was the Minority Leader of the Senate for two years.Cassidy was President and CEO of the Colorado Association of Commerce and Industry from 1998 until 2000.Cassidy earned his undergraduate degree from the University of Oklahoma in 1972 and his law degree from the University of Tulsa College of Law in 1975.