Dunja Sumanac-Guerrero

Dunja Sumanac-Guerrero is an accomplished professional in the field of nutrition and quality assurance, currently serving as Director of Nutrition & QA Sustainability at Restaurant Brands International since June 2013. Sumanac-Guerrero’s career includes progressive roles in nutrition and regulatory affairs at Tim Hortons, culminating in leadership positions overseeing nutrition initiatives. Prior experience includes a role as Research Analyst at the University of Toronto, focusing on nutrition labeling studies, and experience as a Medical & Administrative Assistant at Dr. Kate Sumanac Family Practice. Additionally, Sumanac-Guerrero has held various roles in educational settings, such as Assistant Coach for the Women's Tennis team at McMaster University and Bariatric Educator at Wharton Medical Clinic. Academic qualifications include a Master of Science in Nutritional Sciences from the University of Toronto and a Bachelor of Health Sciences with a minor in Business from McMaster University.