Thomas J. Vollstedt

79, Appleton, passed away on May 19, 2026, at St. Elizabeth Hospital in Appleton. Tom was born on Oct. 13, 1946, in Fond du Lac, WI, son of James and Mary Lou Vollstedt. He graduated in 1965 from LP Goodrich HS in Fond du Lac and in 1970 from the University of Wisconsin-Madison with a degree in Chemical Engineering. He married Catherine Evans on May 23, 1970, and she preceded him in death in 1999.

Tom joined the Wisconsin National Guard in 1970 for seven years of service. He worked 47 years for Zimpro Inc. (purchased by other corporations over the years that included Siemens Energy). He coauthored eleven U.S. Patents, specializing in wastewater and hazardous treatment. He served on the Board of Directors of Wausau Kayak/Canoe Corporation for 30 years and officiated for Canoe/Kayak at the 1996 Olympics. Tom's hobbies included: camping, model railroading, reading, amateur radio and all family activities.

Tom is survived by his three daughters: Janet (Chris) Wolf, Mary (David 'Butch') Venzke and Theresa (Alex) Ingram; five grandchildren: Jackson, Nicholas and Bailey Venzke, Kairi Wolf and Ava Ingram; a sister Barbara McDonald; brothers: Jeffrey (Debra) Vollstedt and Steven (Diane) Vollstedt and many nieces and nephews.

The family invites friends and family to join them on Saturday, May 23, 2026, from 10 AM until Noon at Brettschneider Trettin-Nickel Funeral Chapel for a time of sharing and remembering the life of Tom. In lieu of flowers, memorials can be made to the American Cancer Society in Tom's honor.