Unexpectedly, yet peacefully, passed away on February 1, 2026 at Lakeridge Health Oshawa, at the age of 64.
Beloved father of Nicholas, Melissa, Melanie, Rhiannon, Holly, and Jessica. Cherished Papa of Anthony and Andrew. Dear son of Sue & Bruce Mackenzie and brother of Geoff (Sylvie) and Paul (Valerie). Greg will be sadly missed by all his family and many friends.
Greg will be remembered as the generous and helpful owner/operator of Guardian Pests Management.
A Celebration of Life will be held at a later date. Arrangements entrusted to Armstrong Funeral Home.
If desired, memorial donations may be made to the Canadian Cancer Society. Online condolences may be shared at www.armstrongfh.ca
