Michael J. Sullivan is an author and sports writer living in New York who graduated from St. John's University, and is a member of the McDonald's All-American Selection Boys Basketball Committee and the Parade All-American Selection Committee. Michael hosted sports radio shows on WGBB on Long Island, NY, and WEVD 1050AM in New York City, as well as worked with ESPN and Sporting News. In addition to writing the When Time Forgets series, Michael covers high school and college sports for Fox-owned Scout.com, which involves daily activity on ten to twelve message boards as well as writing approximately 100 articles each month.

Michael has published a number of books through established trade houses, including the trivia book So You Think You're a New Yorker, which was an iconic work lauded by columnist Cindy Adams. In addition, he published seven sports-themed books for children through Enslow, and a volume of a children’s book series through HarperCollins.