John Dinopoulos of Belmont, MA passed away peacefully surrounded by his family on January 31, 2024. Beloved husband of the late Catherine (Lappas) Dinopoulos. Loving Father of Dean Dinopoulos, Kathy (Dinopoulos) Kouloumentas and her husband Andreas. Grandfather of Chrysothemi and Katerina Kouloumentas. Funeral services on Wednesday February 7, 2024 at 11am in the Taxiarchae Greek Orthodox Church, 25 Bigelow Ave. Watertown, MA. Visitation will be held in the church  prior to the services from 9:30-11am. Burial in Ridgelawn Cemetery, Watertown, MA. In lieu of flowers donations in his memory may be made to the above named church or to the ALS foundation at ALS.org in memory of his late wife Catherine Dinopoulos.