She is a Professor in the Lebanese University, and after retirement, she is still supervising Master’s theses and Doctoral dissertations. Moreover, she does psychological testing and diagnosis and uses different psychotherapeutic approaches in her psychological treatment, among which, are Cognitive Behavior Therapy CBT, Acceptance & Commitment Therapy ACT and, more recently, EMDR therapy. Dr. Nassar has written and published more than 15 books and has written many articles in different journals. She has participated as a lecturer in many national and international conferences.