Carroll, a distinguished chemist, is vice president for chlorovinyl issues for Occidental Chemical Corp. and a leader within the Chlorine Chemistry Council and Vinyl Institute. A supporter of environmental protection and sustainable development, he has promoted applying rigorous green chemistry principles to the challenges of world hunger, energy supply and waste management.

Carroll has served as president of the American Chemical Society, the world's largest single-discipline scientific society. He is an adjunct professor at IU, teaching a course in polymer chemistry to senior undergraduates and graduate students.