Dr. Barthélemy received his Doctor of Medicine from Icahn School of Medicine at Mount Sinai, where he also completed his residency in Neurological Surgery. He completed two postgraduate fellowships at the University of California, San Francisco: a clinical fellowship in Neurotrauma at Zuckerberg San Francisco General Hospital and a global surgery fellowship at the Center for Health Equity in Surgery and Anesthesia.

In addition, he was a Paul Farmer Global Surgery Fellow at Harvard University, receiving his MPH in Global Health and Public Health Leadership at Harvard T.H. Chan School of Public Health in Massachusetts. He received his MA in Applied Physiology from Teachers College of Columbia University and his BA from New York University’s Gallatin School of Individualized Study in New York.

As the Chief of Division of Neurosurgery, Dr. Barthélemy trains the next generation of neurologists and surgeons, lending his global professional experience to enhance Downstate’s Neurology and Surgery programs by building new initiatives in global neuroscience and surgery. Dr. Barthélemy participates in clinical and academic mentoring of residents in neurology, surgery, and orthopedics, while ensuring that the highest quality neurological and neurosurgical services are available to the largest and most diverse possible patient population. Additionally, Dr. Barthélemy’s appointment in Orthopedics helps to expand the spine surgery program and clinical practice.

Dr. Barthélemy has given many lectures, presentations, and teaching engagements worldwide. His extensive scholarly work spans over 40 peer-reviewed English and French publications. In addition, Dr. Barthélemy is a peer reviewer for the World Neurosurgery Academic Journal and is involved in several Professional and society memberships, including the Congress of Neurological Surgeons, the American Association of Neurological Surgeons, and the World Federation of Neurological Societies.

Dr. Barthélemy is the current president and co-founder of the Society of Haitian Neuroscientists, a Haitian Diaspora organization that aims to (1) promote the basic, clinical, and translational neurosciences in Haiti by the creation of the conditions necessary for their advancement, to (2) advance neurological and mental health care in all Haitian communities, and to (3) foster collaborations between Haitian neuroscientists. The organization has 100 members and spans six countries representing virtually every major neuroscience branch.

He is also the current Co-Chair of the Young Neurosurgeons Forum of the World Federation of Neurosurgical Societies, a member of the Global Health Task Force of the International League Against Epilepsy, and a Membership Committee member of the Haitian Medical Association Abroad (AMHE).