Chairman of the Board
Gabriel graduated from Notre Dame de Jamhour in 1972. He later attended medical school at the Faculté Française de Médecine (FFM) in Beirut and at Paris XI School of Medicine to obtain his Doctorate in Medicine in 1980.
In 1980, he moved to New York City to complete his medical training. He holds American Boards in three fields: Internal Medicine, Hematology and Medical Oncology.
He is a Senior Attending Physician in the division of Hematology/Oncology at Mount Sinai-Roosevelt Hospital in New York where he is the Medical Director of the Chemotherapy Unit. He is also an Assistant Clinical Professor in Medicine at the Icahn School of Medicine at Mount Sinai, New York.
In 2003, Gabriel co-founded “Jamhour Alumni US” and was its President from 2006 to 2010 and in 2016.
He is married to Nada Abousleiman and they have three children: Albert (1982), Aline (1984) and Paul (1990).