William Gregory Sterzick, 83, of Idaho Falls, passed away December 10, 2025, at Eastern Idaho Regional Medical Center. He was under the care of Aspen Home Health & Hospice.
Greg was born May 13, 1942, in Burley, Idaho, to William Arthur Sterzick and Irene Babbel Larsen Sterzick. He grew up and attended schools in Idaho Falls and graduated from Idaho Falls High School in 1960. He also attended Fullerton State College in Fullerton, California, where he earned his Associate’s Degree in Business. He served in the Idaho National Guard during the Vietnam Conflict.
He worked for years in the Satellite TV Sales for R.S. & I in Idaho Falls.
He was an avid fly fisherman and was well known in the Island Park area.
Greg is survived by his sister, Michele (David) Cutler of Idaho Falls, ID; brother, Chuck (Tere) Hoffhine of Salt Lake City, UT; and brother, Steve (Kate) Hoffhine of Boise, ID.
He was preceded in death by his parents; brothers, Rick Sterzick and Ken Hoffhine; and sister, Carla Roland.
A celebration of life will be held in the Spring in Island Park.
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