Daniel T.L. Shek, PhD, FHKPS, BBS, JP, is Chair Professor of Applied Social Sciences, Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hong Kong, PRC, Advisory Professor of East China Normal University and Honorary Professor of Kiang Wu Nursing College of Macau. He is editor and editorial board member of several international journals in adolescent health, psychology and human development. He has served in many government advisory bodies, including the Action Committee against Narcotics, Commission on Youth, Fight Crime Committee and Family Council. He is the principal investigator of a large long-term intervention study to promote positive youth development in Chinese communities (Project P.A.T.H.S.) funded by The Hong Kong Jockey Club Charities Trust. He has published numerous books, book chapters and more than 300 scientific articles in international refereed journals.