2010, April. Invited lecture by the School of Social Work and the Social Development Research Centre, University of Washington, Seattle, Washington, U.S.A.
2009, November. The Second Lam Woo Social Work Seminar Series, Sichuan, P.R.C.
2008, December. International Conference on Human Development and the Environment: Advances in Quality of Life Studies, Hong Kong.
2008, September. The 4th International Conference on Holistic Health and Medicine, Lexington, Kentucky, U.S.A.
2008, June. The 6th Chinese Psychologist Conference, Hong Kong.
2007, November. Symposium on Positive Youth Development and Prevention Programs in Adolescence: International and Chinese Experiences, Hong Kong.
2006, May. 2006 International Conference on Counselling: Counselling Youth in Transition – Innovations in Research and Practice, Hong Kong.