She received her Psy.D. in Clinical-School Psychology from Ferkauf Graduate School of Psychology at Yeshiva University. She completed her pre-doctoral internship at Montefiore Medical Center. Dr. Gellman has received extensive training in Cognitive Behavioral Therapy (CBT) and Dialectical Behavioral Therapy (DBT) and has provided treatment to children, adolescents, and adults with anxiety, mood, behavioral and personality disorders. Additionally, Dr. Gellman teaches a Mindfulness-Based Stress Reduction (MBSR) course to help individuals learn to more effectively manage chronic pain, anxiety, depression and life stress.