He was directly involved in the infancy stages of racecar data collection and its application to coaching race driving, as opposed to its more common use as a racecar tuning device. He wrote and co-directed the 90-minute race-driving training video, "Going Faster", part of the Racing School"s constant effort to refine and clarify its curriculum.

Carl lives in Canaan, Connecticut, with his wife Rosemarie and son Max.