Daniel A Kupper, Ph.D., works with individuals and couples who have a wide range of difficulties and diagnoses, including difficulties with anxiety, depression, obsessional thinking, and rapid mood shifts. His particular expertise is in evaluating and treating patients with Borderline Personality Disorder and related problems with emotional regulation, relationships, identity, and work or school achievement. He is a certified practitioner and supervisor in Mentalization-Based Treatment (MBT) and Psychoanalytic Psychotherapy, and was a Clinical Professor of Psychiatry at UCLA. He continues to supervise clinicians, consult, and lecture.