Team

Principal Investigators

Meet our interdisciplinary team working towards the development and establishment of a Canada-wide survey system for pregnancy-related morbidity.

Principle Investigator | MD PhD FRCOG

Rohan D’Souza

Rohan D’Souza is an associate professor in the Departments of Obstetrics & Gynecology and Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario. He has a cross appointment with the Department of Obstetrics & Gynaecology and the Institute of Medical Sciences at the University of Toronto, Ontario. Rohan’s clinical and research interests include reducing severe maternal morbidity, optimizing pregnancy outcomes for individuals with medical disorders, incorporating values and preferences of pregnant individuals into clinical decision making and standardizing outcome reporting in obstetric studies.

Principal Investigator | MD MSc FRCPC

Isabelle Malhamé

Dr. Malhamé is an Assistant Professor and Researcher in the Department of Medicine at the McGill University Health Centre. After residency and sub-specialty training in General Internal Medicine and a Master’s degree in Epidemiology at McGill University, she completed a Fellowship in Obstetric Medicine at the Warren Alpert Medical School of Brown University in Providence, Rhode Island. She provides a specialized clinical service to women with medical disorders before, during, and after pregnancy. Her research program focuses on prediction and prevention of severe maternal morbidity, with a special interest for cardiovascular and thromboembolic complications.

Research Coordinator | RN, MSc

Paige Gehrke

Paige Gehrke is a research coordinator and registered nurse, with a variety of clinical and research experience. Through her work, Paige endeavors to optimize health system processes to foster safe and positive experiences for clinicians, patients, and families. Paige holds a BScN from Western University, a Critical Care Nursing certificate from Niagara College, and a MSc from McMaster. Paige has collaborated on and led several projects focused on building community hospital research capacity, as well as critical care, moral distress, and qualitative research methods. She has over nine years of clinical experience practicing in a diverse range of settings, mostly situated within intensive care.

Research Coordinator | RN., BScN

Angela Wesley

Angela is a research coordinator and registered nurse with over 24 years of diversified
clinical and research experience. She holds a Bachelor of Science in Nursing from the
University of Toronto and has dedicated her career to advancing health outcomes
through evidence-based practice and compassionate care.

Angela’s global health experience includes living and working in Uganda, East Africa,
where she served as a regional community health nurse supporting families in underserved communities. She continues to travel to under-resourced areas, contributing to maternal health initiatives that promote safety, education, and equitable access to respectful care.

Angela is deeply passional about promoting safe, respectful and inclusive maternal care for all individuals. Through her role with CanOSS, she brings both expertise and advocacy to support improved obstetric outcomes across Canada.

Research Coordinator | MSc

Rashid Ahmed

Rash has a BScH in Ecology from Queen’s University, a MSc in Epidemiology specializing in population and public health and health economics from the Health Research Methodology Program at McMaster University, and a diploma in Applied Community Epidemiology from Community Information and Epidemiological Technologies. He has worked at McMaster since 2001 at the Population Health Research Institute and with the Department of Obstetrics and Gynecology, and is also the Research Manager for the McMaster Midwifery Research Centre. Rash’s interests are in high risk obstetric epidemiology, midwifery research, public health program development, data infrastructures, clinical trials, population health, and health economics.

Administrative Executive