Leo passed peacefully in his sleep at the house he lived in for 64 years on April 21, 2026.
Leo was born in Chicago in 1932 but at a young age moved to Los Angeles, was was raised in Topanga Canyon, and attended Dorsey High School where he ran track. Leo was a Network Planning Engineer for Verizon (formally General Telephone Company in Santa Monica) for 39 years before he retired. He lived in West Hills with his wife Marcia.
Leo was an active member of the Canoga Park Elks Lodge, he was Director of the Telephone Pioneers Association, a volunteer for the LAPD Topanga Station, a board member of the Chamber of Commerce, and a professional photographer.
Leo enjoyed running, watching Dodger games, spending vacation time in Kona Hawaii (where he frequently volunteered at the Ironman), and going on cruises. Leo is survived by two children Ken Gattenio (spouse Linda Frakes) and Vicki Wiik (spouse Toby Wiik), five grandchildren Julie Gattenio, Scott Gattenio, Ryan Wiik, Nick Wiik and Kale Wiik, and five great grand children (so far!).
