A 1994 graduate of Duquesne University in Pittsburgh, he also wrote two weekly college sports-related columns for the Post, named The City Game and On Campus.
Sullivan has held similar positions at the Pittsburgh Post-Gazette, the Florida Times-Union and the St. Petersburg Times.
An author, Sullivan's first book was released in 2012, and is titled Battle On The Hudson: The Devils, The Rangers, And The NHL's Greatest Series Ever.
In October 2007, Sullivan became a member of the Heisman Trophy selection committee.
Sullivan is a 1990 graduate of Saint Joseph Regional High School in Montvale, New Jersey.