Hung Pei-Yun is a psychotherapist in private practice with specializations in relationships, mental disorders, psychosomatic symptoms, and personal exploration and growth. She regularly appears on Taiwanese television to speak about psychological issues, and the rights to her book Interpersonal Exploitation: Why We Have Trouble Leaving the Poisonous People in Our Lives have been sold for publication in China and South Korea. Hung Pei-Yun holds an MS in clinical psychology from Chung Yuan Christian University.