[1] Prior to joining Nickelodeon, where he spent 13 years,[2] Dunn was in charge of marketing for The Bank of Boston.

[1] Dunn began his career at Time Magazine, where he served in a variety of marketing and general management positions.

[1] Dunn was raised in West Hartford, CT, where he graduated magna cum laude from the Kingswood School in 1973.

During his senior year of high school, Dunn served as the Editorial Supervisor for The Kingswood News and interned at the Hartford Courant, where he wrote daily obituaries.

He received his AB degree cum laude from Harvard College in 1977, where he majored in American political history, and he received his MBA degree in 1981 from the Harvard Graduate School of Business Administration, where he was named by the faculty to the Century Club as one of the top leaders of his class.