Dr. Rossiter obtained her Bachelor of Science in Foods and Nutrition at the University of Prince Edward Island; a Master of Science and dietetic internship in the Department of Applied Human Sciences at Mount Saint Vincent University in Halifax, Nova Scotia; and, a PhD in the Department of Family Relations and Applied Nutrition from the University of Guelph in Guelph, Ontario. Misty was a faculty member in the Department of Applied Human Nutrition at MSVU for six years before joining the Department of Applied Human Sciences at UPEI. She continues to have an active adjunct appointment at MSVU. Misty is a Registered Dietitian and an Associate Professor in the Department of Applied Human Sciences at UPEI.

She is interested in the perinatal period as well as early childhood development with a particular focus on feeding practices, nutrition policy, and the social determinants of health. She believes that integrating her research and professional activities into course content improves the overall experience for students. She enjoys motivating students to learn by incorporating a variety of teaching styles and by engaging students in the learning process.