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SJHH / About/ Medical Staff Association/ Our Executive Team

Our Executive Team

Dr. Zain Chagla, President

Dr. Chagla completed his MD at Queen’s University, his Internal Medicine residency at Western University, and his ID fellowship at McMaster, as well as his Masters and Diploma in Tropical Medicine at The London School of Hygiene and Tropical Medicine. He currently is an ID Consultant, Associate Professor in the Department of Medicine, a Lecturer in the School of Global Health, a Visiting Professor at the University of Namibia, and Medical Director of Infection Control at St. Joseph’s Healthcare. He has interests in Global Health, Infections in Immunocompromised Hosts, and Health Policy.

Dr. Waël Hanna, Vice-President

As a thoracic surgeon, Dr. Hanna treats all surgical conditions of the chest, including lung cancer, esophageal cancer, chest wall tumors, hyperhidrosis, and others. He helps patients understand the complexities of major operations and supports them through these life-changing events. He is Canada’s leader in the field of robotic thoracic surgery and has pioneered several operations with this most cutting edge surgical technology. Beyond technical excellence, Dr. Hanna continues to invest himself in research and innovation, and leads a team of scientists who work continuously to develop and evaluate advancements in the field of thoracic surgery.

Dr. Rahima Nenshi, Secretary-Treasurer

Dr. Nenshi is an Assistant Professor of Surgery at McMaster University in the Division of General Surgery. She completed her medical degree at the Michael G. DeGroote School of Medicine at McMaster University. She then went on to complete a Master’s in Clinical Epidemiology & Biostatistics in 2009, her General Surgery Residency in 2011, a Minimally Invasive Surgery Fellowship in 2012, as well as a Surgical Oncology Fellowship in 2014 at the University of Toronto. Dr. Nenshi’s areas of interest are acute care surgery and minimally invasive surgery; she is the Director of Acute Care Surgery at St. Joseph’s Healthcare Hamilton. Dr. Nenshi is also currently the co-chair of the city-wide Credentials committee, a Learning Director for the Undergraduate Medical Program at McMaster University, and she is involved in several initiatives around EDI and innovation in surgical care . She leads local and national research ( in the field of acute care surgery, as well as research in the field of surgical leadership education.

Yogita Patel, Executive Assistant

Yogita provides administrative assistance to the Medical Staff Association at St. Joseph’s Healthcare Hamilton. In this role, she has had the opportunity to provide administrative support to the Medical Staff Executive Committee whose mandate is to represent the best interests of the Medical Staff Association membership at St. Joseph’s Healthcare Hamilton.

Dr. Matthew Miller, Past President

Dr. Matthew Miller is a nephrologist at St. Joseph’s Healthcare Hamilton. He has an interest in medical education, having completed his MSc Health Science Education at McMaster University and is the renal subunit planner for the McMaster University School of Medicine. He practices general nephrology and is the Medical Lead for the Living Kidney Donor Program at St. Joseph’s.