Le Gal joins MCI from Disneyland Paris Business Solutions, where he was development director for four years.
His previous experience also includes 15 years at the Palais des Congrès de Paris in charge of the healthcare department and international development.
MCI France managing director Philippe Fournier said: "Eric is a major player in the congress industry. He has an unparalleled commercial sense and a strategic vision in terms of development. I am very happy to gain this new talent in my MCI team."