His career has included stints at NBC News; ABC, CBS NBC, Fox and PBS, and more than 27 cable networks.

Grossman is partner with Robb Weller in Weller/Grossman Productions, a prolific documentary and service and information television production company. Together, they've produced more than 6,000 programs and earned numerous awards including the prestigious Governor's Emmy Award for their USA Network special, "Healing the Hate" and an Emmy for Best Informational series for “Wolfgang Puck” for Food Network.

The company's widely recognized series and specials have aired on NBC, Fox News, CNBC, History Channel, A&E, Discovery Channel, Food Network, Discovery Health, National Geographic Channel, HGTV, Fine Living, DIY, TLC, USA Network, and Sci Fi Channel among other channels.

Grossman earned a Bachelors Degree in Communications from Emerson College in Boston and a Master's Degree in Urban Affairs from Boston University.

He began his career at 15 as a disc jockey at WHUC, his local radio station in Hudson, New York. He worked at Boston television station WBZ, joined The Boston Globe as a special contributor, and then became full time television critic and columnist at The Boston Herald American, before moving to Los Angeles. His articles have also appeared in The New York Times and numerous magazines. He has taught journalism and media classes at Emerson College, Boston University and USC. Grossman's two previous acclaimed non-fiction books, Superman: Serial to Cereal and Saturday Morning TV, cover television history. He produced and wrote the award-winning feature documentary Hugh Hefner: Once Upon a Time.

Gary Grossman, first novel, EXECUTIVE ACTIONS (August 2004) is published by ibooks and distributed by Simon & Schuster.

Grossman lives in Los Angeles with his wife, writer Helene Seifer and their children Sasha, Zachary and Jacob. He serves on the Emerson College Board of Trustees and the Boston University Metropolitan Advisory Board.