Kostas was born in Argos, Greece, on June 12, 1946 and died September 19, 2017 in Washington, DC. He was a professional guitarist and singer, specializing in Greek and international music. He was also an avid gardener and popular manager of the Glover Park Community Garden for many years, where everybody called him Dino. Konstantinos is survived by his wife, Patricia, daughter Lydia, and his many friends. The memorial service will be on Wednesday, October 4, at 5:00 pm at Joseph Gawler's Sons, 5130 Wisconsin Ave NW, Washington, DC, followed by a reception at St. Sophia Greek Orthodox Cathedral, 2815 36th NW. In lieu of flowers, please donate to a charity of your choice in Konstantinos' name."