Ari Doumouras

Ari Doumouras is an Assistant Professor at McMaster University and a staff surgeon in Minimally Invasive and Bariatric Surgery at St. Joseph's Healthcare, Hamilton. He also serves as a Scientist at the McMaster Centre for Metabolism, Obesity, and Diabetes Research and an Adjunct Scientist at ICES Chronic Disease and Pharmacotherapy.

• MD from Queen's University
• Master of Public Health from Harvard University (Epidemiology & Biostatistics)

Dr. Doumouras' research spans broad areas including bariatric surgery, colorectal surgery, obesity, diabetes, surgical outcomes, and medical simulation. His work often employs systematic reviews, meta-analyses, and population-level studies to investigate postoperative complications, cost-effectiveness, and disparities in surgical care.

Recent publications show a focus on bariatric surgery for metabolic disorders, robotic vs. laparoscopic techniques, obesity-related surgical outcomes, and healthcare disparities among immigrant populations. His methodological expertise includes evaluating trial reporting quality and frailty indices in surgical patients.

Scientific Awards:

• First prize at the Resident and Fellow Research Competition at SAGES 2018

Dr. Doumouras has published over 50 papers in high-impact journals such as Annals of Surgery, JAMA Surgery, and Obesity Surgery. His work bridges clinical practice with health policy, emphasizing surgical quality metrics and patient safety.