Duane E. Harff, age 89, of Sarasota, Florida, and formerly of Osseo and Minneapolis, Minnesota, passed away peacefully on June 12, 2026.
Duane enjoyed a long, successful career as an executive with the 3M Corporation. Outside of work, he enjoyed golfing and a proud member of the Tournament Players Club (TPC) at Prestancia. He also attended the First Presbyterian Church.
He is survived by his two daughters, Melanie (Roger) Peterson and Stefanie (Greg) Carlson; his stepchildren, Sandee McRee (Dr. Robert E.) Witt, Ralph N. McRee, and James A. (Janelle S.) McRee; and his sister, Carol Harff (Gary) Rud. Duane also leaves behind ten cherished grandchildren: Rachel Peterson (Robert) Tam, Matthew Peterson, Elijah Carlson, Sam Carlson, Martin Dessoffy, Kelley McColl, Scot McRee, Patrick McRee, and Ben McRee, as well as five beloved great-grandchildren.
Duane was preceded in death by his parents, as well as Karen Meyer, Sally Patterson, and Doris Martin McRee.
Burial services will be private.
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