Ji-hyun An is a professor of psychiatry Samsung Medical Center. She graduated from SKKU School of Medicine in 2013. She worked as an intern at Samsung Medical Center in 2015 and a resident at Samsung Medical Center in 2018. Currently, she is a clinical lecturer in the Department of Psychiatry at Samsung Medical Center. The main fields are cancer patient mental health, employee stress management, depression and mood disorders, and elderly mental illness. She is a full member of the Korean Medical Association and the Korean Neuropsychiatric Association