She received her Honours BSc as a Psychology Specialist from the University of Toronto, MA and PhD in Applied Cognitive Psychology from Claremont Graduate University, and postdoctoral training in Behavioral Neuroscience at Massachusetts Institute of Technology (MIT). Christie directs the Mills Cognition Lab and conducts studies on memory, aging, and emotion. She started teaching introductory psychology classes as a graduate student and has been regularly teaching this class at Mills College for the past 9 years. She also teaches classes such as statistics, memory, and cognitive aging.