Chief child psychiatrist, Beijing AnDing Hospital
Professor, Capital Medical University
Counselor, Former Vice-President，International 
Association for Child and Adolescent Psychiatry and Allied Professions (IACAPAP)
Former President, Asian Society for Child and Adolescent Psychiatry and Allied Professions (ASCAPAP)
President, Asian Federation of ADHD
President, Chinese Society of Child and Adolescent Psychiatry