Our Surgeons

The medical team consists of four general surgeons, who are part of the Department of Surgery at Hôpital du Sacré-Coeur de Montreal, which is affiliated with the University of Montreal. All four are professors at the University of Montreal, and have dedicated their efforts and talents to the treatment of morbid obesity. As pioneers in the field of obesity surgery, we are the only surgery specialist group that offers all four types of obesity surgery.

  • Dr Henri Atlas

    Dr. Henri Atlas

    Dr. Henri Atlas received his medical degree in Belgium at the University of Louvain in 1961. An associate of the Royal College of Physicians and Surgeons of Canada in 1967, he began his career at Hôpital du Sacré-Coeur de Montreal in 1970. He grew the general surgery services and established the first Unit of Traumatology in Quebec in 1976.Always on the lookout for technology, he was one of the first to get on board with laparoscopic surgery in the 1990s. With that in mind he has, in recent years, spent most of his time in bariatric surgery by laparoscopy.


  • Dr Ronald Denis

    Dr. Ronald Denis

    Dr. Ronald Denis, a graduate of the University of Montreal in 1975, joined Hôpital du Sacré-Coeur de Montreal in 1984 after an impressive Traumatology Fellowship in Detroit. He then joined Dr. Atlas' team and was involved in the implementation of laparoscopic surgery. Dr. Denis has been the Head of the Department of Surgery since 1997 and has achieved important progress for the Department, in traumatology and for other disciplines. In 2003, Dr. Denis was a key figure in obtaining the Da Vinci surgical robot for the hospital. It was the first in Quebec and one of the few in Canada. Through the acquisition of the Da Vinci robot, the number of people undergoing bariatric surgery has grown tremendously because its level of accuracy goes beyond what is attainable in conventional laparoscopy.

  • Dr Pierre Y Garneau

    Dr. Pierre Y Garneau

    Dr. Pierre Garneau received his medical degree at Laval University in Quebec City in 1991. He completed his residency in general surgery at the University Laval, and had the opportunity to work with the team of Dr. Picard Marceau, one of the fathers of bariatric surgery. Dr. Garneau has been a member of the General Surgery team at Hôpital du Sacré-Coeur de Montreal since 1997 and is currently chief of general surgery .

  • Dr. Pescarus

    Dr. Radu Pescarus

    After completing a Bachelor of Science in Biology at McGill University, Dr. Pescarus continued his medical studies at the University of Montreal. After a 5-year residency in General Surgery completed in the hospitals of the University of Montreal, he continued his subspecialty in Canada with a one-year fellowship in Bariatric and Minimally Invasive Surgery at McMaster University. Subsequently, he underwent a second fellowship in Portland, USA to further his knowledge in esophageal and gastric surgery as well as in the new field of therapeutic endoscopy. Upon his return to Quebec, he joined the surgery department of the Hôpital du Sacré-Coeur and became Assistant Professor at the University of Montreal. His three areas of expertise are minimally invasive bariatric surgery, diaphragmatic and gastric surgery, as well as therapeutic endoscopy.

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Do you have any questions regarding any of our procedures? We welcome your questions and inquiries.