Counseling Psychologist; Professor, Academic Director, Core Faculty, Spirituality Mind Body Institute, Teachers College, Columbia University; Review Editor, Positive Psychology and Frontiers in Psychology; Developer, Interactive Behavioral Therapy (IBT) and Positive-Interactive Behavioral Therapy (P-IBT); Author, The Positivity Effect (2023), Learned Hopefulness (2020), Confessions of a Former Child (2008), and Action Methods in Group Psychotherapy (1998); Co-Author, Character Strengths and Abilities Within Disabilities (2023) and Healing Trauma (2005)