Kupen, was born in Burgas, Bulgaria. His interest in yachts and yachting started at home in Bulgaria whilst racing on smaller sailing yachts. Kupen's passion for yachts took him to the South of France. In 2011, he joined his first yacht as a deckhand. Kupen joined St David in 2012 as a deckhand and has been an integral part of the crew from that time.
He has a passion for water sports, and is happy to assist in all the outdoor activities available onboard.