Honourary Associate Professor, Program-coordinator and lecturer for Landscape Design Certificate Program, SPACE (School of Continuing and Professional Education), University of Hong Kong
Invited examiner for Master of Arts in Recreation and Sports Management Programme, Victoria University of Technology, Melbourne City, Australia
Guest critic and Guest Lecturer, Department of Architecture, Chinese University of Hong Kong
Landscape Architect, Wells-Larsen-Appel, Land Planner & Landscape Architects, Haddonfield, New Jersey, U.S.A.
Guest Lecturer, Landscape Architecture Department Computer Society, Cornell University, Ithaca, New York, U.S.A.
Landscape Architect, Roger Wells, Inc., Planners & Landscape Architects, Haddonfield, New Jersey, U.S.A.