Hydro Flask has announced the appointment of Yiorgos Makris as director of marketing and John Cupit as director of design. Makris most recently served at Icebreaker as head of U.S. marketing. Prior to Icebreaker, he worked at Columbia as international marketing manager, and at Salomon as e-commerce manager. Cupit was hired from 4moms, where he was vice president of design. Previous to that, he served as director of design at Chuck Pelly and senior design manager at Nissan.