Major Dennis G. Keller, USMC (Ret) passed away on 28 August 2025.

He is survived by his Father-in-law: Roger Bertrand, Brother: Kevin Keller, Daughter: Destiny Knopf, Son: Major Dennis G. Keller, Jr. USMC, his six Grandchildren: Skylar, Sophia, Caleb, Emma, Josephine, and Abbey, as well as his Great-Granddaughter: Sierra.

He leaves this earth to join his beloved wife, Cindy Keller.

He was an avid golfer, and nothing brought him more joy than sharing precious moments with his loved ones. He cherished his walks and,  found solace and happiness in the beauty of the beach.

A funeral service with full military honors will be held on 24 September at 1100 at the Florida National Cemetery in Bushnell, FL. Following the ceremony, a Celebration of Life will take place at the Royal Highlands Recreation Center from 2:30 pm to 4:00 pm. The address is 5350 Monarch Blvd, Leesburg, FL 34748.