Yakau Zenko's coach is what ethnicity?
Eteri Tutberidze Eteri Georgievna Tutberidze (Russian: Этери Георгиевна Тутберидзе ; born 24 February 1974) is a Russian figure skating coach. She coaches ladies' and men's singles.
Andrei Mezin Andrej Anatoljevič Miezin (Belarusian: Андрэй Анатольевiч Мезiн , Russian: Андрей Анатольевич Мезин ; born July 8, 1974 in Chelyabinsk, Russian SFSR, Soviet Union) is a Belarusian ice hockey coach and a retired goaltender.