Chad Call steps up to CFO (Chief Financial Officer) role at Zeamarine as Michael Dumas resigns. Hamburg based MPP (Multi-Purpose) tramp and liner company Zeamarine has appointed Chad Call as new CFO (Chief Financial Officer). Previously, Chad Call was working at Intermarine and Ernst & Young. Michael Dumas, who was CFO at Intermarine for more than 20 years, resigned after overseeing the successful formation of Zeamarine by parent company Zeaborn. Zeamarine is formed by the combined Intermarine, Zeaborn Chartering and Rickmers Line. Michael Dumas will continue his career at US Ocean and Maritime Holdings. Jan-Hendrik Tobbe led Zeamarine and Zeaborn has a fleet of about 90 multipurpose heavy-lift ships.