James J.

Koller

James J. Koller, 78, Lake Mills, died on Saturday, June 6, 2026, at St. Mary's Hospital in Madison.

He was born on March 22, 1948, in Watertown, the son of the late John and Effie (Trotts) Koller and brother of the late Judy Harder.

Jim was a free-spirit who loved music and the outdoors especially hunting and playing with his dogs.

He was a great lead guitarist for over 40 years for many bands including Skyrock and Cruisin, a 50's, 60's and 70's rock band.  He sang lead vocal for many songs including My Girl and Don't Let the Sun Catch You Crying.  A bandmate said, "Jim played lead guitar like the fiery style of Native American Link Wray."

Jim enjoyed American history, music history and his German and Native American heritage.  He researched many topics and because of his great memory could recall amazing details.

He was a great story-teller.

Jim loved Lake Mills where he was raised and lived his final years.  He even gave historical guided talks at Aztalan State Park.

He is survived by his daughter, son-in-law, stepson, grandchildren, brother-in-law and nieces.

Jim donated his organs to help others.  Specifically, his donation to the Lion's Eye Bank of Wisconsin helped restore eyesight to two recipients in Stevens Point and Marshfield, Wisconsin.

According to his wishes no formal services will be held.

If desired, memorials would be appreciated to the National Multiple Sclerosis Society.

www.claussenfuneralhome.com