Jennifer S. Mills is a Registered Clinical Psychologist and a Full Professor in the Department of Psychology at York University in Toronto, Canada. Outside of the university, Dr. Mills has served as a Research Scientist at North York General Hospital in Toronto, Canada. She is a credentialed member of the Canadian Associated for Cognitive Behavioural Therapies.

Dr. Mills received her PhD in Psychology from the University of Toronto in 2001. She completed her clinical internship in the Department of Psychology and the Anxiety Treatment and Research Centre at St. Joseph’s Healthcare in Hamilton, Ontario. She conducts research in the areas of body image and eating disorders.

Dr. Mills has received multiple research awards and grants. Within the university, she has been recognized with the Dean’s Award for Outstanding Teaching. Links to and information about her research publications can be found on Google Scholar. Dr. Mills's research has been featured in many media outlets, including Forbes Magazine, Times Magazine, Psychology Today, CNN, BBC, CTV News, Vice, and WIRED. Her research on social media and body image was a feature focus of a 2019 prime-time television special report by ABC News 20/20 with Diane Sawyer.