Grissom suffered multiple blunt force injuries and died Tuesday, the Pierce County Medical-Examiner’s Office in Tacoma, Washington, told CNN.
He was a resident of University Place, Washington.
“Bravo and the Top Chef family are saddened to learn about the passing of Chef Aaron Grissom from Season 12: Boston,” a Bravo spokesperson said in a statement on its website. “Our deepest sympathy goes out to his family and friends.”
Grissom worked as a chef before competing on the show.