Siena men’s lacrosse coach Liam Gleason has died at age 41

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Siena Saints men’s lacrosse coach Liam Gleason died after suffering a traumatic brain injury in a fall at his home, the school announced Wednesday. He was 41.

With Gleason at the helm, Siena captured the Metro Atlantic Athletic Conference (MAAC) championship and earned a berth in the NCAA Tournament during the 2025 season.

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Siena men’s lacrosse coach Liam Gleason has died at age 41. (Carlisle Stockton/Stockton Photo)

“A sudden, senseless loss carries a kind of pain that defies understanding,” Siena University President Chuck Seifert said in a statement. “It is hard to imagine anyone more universally loved and admired than Liam. Our community was blessed by Coach Gleason’s life.”

Gleason’s family started a GoFundMe to help “lighten the load” for his wife and three children as they navigated the tragedy.

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Siena men’s lacrosse coach Liam Gleason coaches his team. (Carlisle Stockton/Stockton Photo)

“The Gleason family has suffered the most unimaginable tragedy when Liam suffered a traumatic brain injury,” the GoFundMe read. “Anyone who knows him knows what a light he is in this world. Liam is the best father, husband, brother, son, brother-in-law, uncle, coach and friend. His heart is as big as his 6’5 frame and the love he gives to those around him is immeasurable.

“Liam’s wife, Jaclyn, and their three beautiful children – Kennedy, Penn and Tate – who now face a long road of emotional and financial challenges in the coming weeks, months and years.”

Gleason coached at Siena for the past seven seasons and was named MAAC and Eastern College Athletic Conference Coach of the Year last season. Siena was 11-5 overall and earned its first national ranking in 14 years.

The New York native played college lacrosse at the University of Albany.