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Orgo-Life the new way to the future Advertising by AdpathwayOshkosh Firefighter/Paramedic Tom Diener died in a crash while traveling for work with two other Oshkosh firefighters
December 15, 2025 09:11 AM •
OSHKOSH, Wis. — Oshkosh Firefighter/Paramedic Tom Diener, who also served as a lieutenant with the Town of Sheboygan Fire Department, died after a crash on an Indiana highway on Dec. 11.
In a Facebook post, the Oshkosh Fire Department said Diener was traveling for work related to public safety and emergency warning systems with two other firefighters, Carter Haen and Robbie Betts, when the crash occurred.
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The department did not release details about the extent of Haen’s and Betts’ injuries.
A donation page has been created through the Professional Fire Fighters of Wisconsin Charitable Foundation in memory of Tom Diener and to support Haen and Betts.
In Memory of Tom Diener. Supporting Carter Haen & Robbie Betts
This fundraiser honors the life and service of Tom Diener by supporting Carter Haen and Robbie Betts during a difficult time. Contributions will help provide stability and assistance as they navigate loss and healing.
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Bill Carey is the associate editor for FireRescue1.com and EMS1.com. A former Maryland volunteer firefighter, sergeant, and lieutenant, Bill has written for several fire service publications and platforms. His work on firefighter behavioral health garnered a 2014 Neal Award nomination. His ongoing research and writings about line-of-duty death data is frequently cited in articles, presentations, and trainings. Have a news tip? He can be reached at [email protected].
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