Bill Koller Obituary
It is with deep sorrow that we announce the death of Bill Koller (Denver, Colorado), who passed away on September 18, 2025, leaving to mourn family and friends. Leave a sympathy message to the family in the guestbook on this memorial page of Bill Koller to show support.
As Bill departs from this earthly realm, his essence lingers — a whisper on the wind, a ripple on the water — a testament to the enduring power of love to transcend the boundaries of life and death. Though Bill may no longer walk beside us, his spirit lives on in the memories and the legacy Bill leaves behind.
He was loved and cherished by many people including: his wife Sandra Koller; his sons, Mike Koller and Steven Koller (Cindy); his sibling Dr. Dorie Davis (Oscar); his grandsons, Matthew Koller and Adam Ostermiller; and his great grandchildren, Regan Ostermiller, Sloan Ostermiller, Camryn Ostermiller and Emma Lynn Koller.
