Complex sentence: In 1992 and 1993, he headed the Institut du Coeur of Hô Chi Minh-City, in Vietnam, for a year, and in 2004, he became until May 2011, General Secretary of the Fondation Alain Carpentier, which supports this hospital.
Split into simpler sentences: In 1992 and 1993, he headed the Institut du Coeur of Hô Chi Minh-City, in Vietnam, for a year. From 2004 to May 2011, he was General Secretary of the Fondation Alain Carpentier, which supports this hospital.