Hannah Geller attended college at Yale University, law school at Columbia Law School, and NYU Silver School of Social Work. She trained in the psychiatric emergency program at New York Presbyterian-Weill Cornell Hospital, working with adults, children, and families in crisis. She then completed postgraduate psychotherapy training at Metropolitan Institute for Psychoanalytic Therapy with a focus on children and adolescents, and worked in the Metropolitan Center for Mental Health as a psychotherapist. Ms. Geller then worked at Bellevue Hospital as a psychotherapist in the Outpatient Psychiatric Department, and continued on to adult and child psychoanalytic training at the Psychoanalytic Association of New York, affiliated with NYU Langone Medical Center. Ms. Geller also interned in the Eating Disorder Research Unit at New York Presbyterian-Cornell Hospital, and completed advanced training in Dialectical Behavioral Therapy (DBT), Acceptance and Commitment Therapy (ACT), Cognitive Behavioral Therapy (CBT), and Gottman Method couples therapy.