Prof. LEE Chack-fan, GBS, JP 
Vice Chairman, Chu Hai College of Higher Education
Chair Professor (Geotechnical Engineering), Department of Civil Engineering, The University of Hong Kong
Former Vice-President, The University of Hong Kong
Former Director, HKU SPACE

Prof. Stephen S.Y. Lau 
Professor, Department of Architecture, National University of Singapore
Former Associate Dean, Faculty of Architecture, The University of Hong Kong

Ms Doris K.H. Wong & Mr Raymond C.W. Yeung
Hong Kong Playground Association (Volunteer training)