Greg was born in Reno, Nevada on February 27, 1984 and graduated from high school in 2002 in Las Vegas, Nevada.
He enjoyed cooking, playing pool and debating.
Greg is survived by his mother, Wendy K. Gillen (Phillips) and his father Forrest W. Gillen and a sister Janice Robb (Gillen).,and numerous Aunts, Uncles and cousins.
There will be a graveside service for Gregory on July 29, 2026 at 2:00pm at Palm Mortuary Henderson, located at 800 South Boulder Highway, Henderson, Nevada.