RIDGEFIELD PARK, N.J.--(BUSINESS WIRE)--Samsung Electronics America (SEA) today announced the opening of its Global Marketing Center of Excellence (COE) with the appointments of Marc Mathieu as chief marketing officer and Jesse Coulter as chief creative officer. The appointments represent the latest in a series of investments in talent and resources the company has made to strengthen and diversify talent across the marketing organization. As CMO, Mathieu will lead U.S.-based marketing across al