Kelley is a board-certified psychiatrist and an Assistant Professor of Psychiatry at the NYU Grossman School of Medicine. She is a study physician and therapist on a number of trials at the NYU Langone Center for Psychedelic Medicine, where she focuses on on the practice and teaching of psychedelic-assisted psychotherapy. She has advanced training and extensive experience as a psychedelic therapist working with psilocybin, MDMA, and ketamine. She is on the faculty of the Polaris Insight Center’s training program in ketamine-assisted psychotherapy, and she is a teaching assistant at the MAPS-PBC program in MDMA-assisted psychotherapy. In addition to her work as a psychedelic therapist and study physician, she directs Psychedelic Medicine, an annual CME course at NYU, and teaches extensively on topics related to psychedelic medicine and integrative psychotherapy.