He has published on the topics of commitment in close relationships, social cognition, breakup, emotions, social networks, geographic separation, and research methodology. Professor Le has been a member of the Department of Psychology at Haverford College since 2001, where he teaches courses on social psychology, close relationships, intro/general psychology, and research methods/statistics. Prior to that he completed his undergraduate studies at Grinnell College and graduate work at Purdue University. He is on the editorial board of the journal Personal Relationships and has reviewed articles for all of the major journals in social psychology and relationship research. Prof. Le is a longstanding member of both the Society for Personality and Social Psychology (SPSP) and the International Association for Relationship Research (IARR).