Prof Leslie Lu is currently the Principal of Hong Kong Design Institute (HKDI) and Hong Kong Institute of Vocational Education (Lee Wai Lee). Prof Lu is also the Academic Director (Design) of the Vocational Training Council. He served as the Head of the Department of Architecture, The University of Hong Kong.

Professionally, Prof Leslie Lu has practised with Cesar Pelli and Associates, Hardy Holzman Pfeiffer Associates, and Kohn Pedersen Fox Associates. As Monbusho Scholar in Japan, Prof Lu worked with Shinohara Kazuo on the design of the Centennial Hall in the Tokyo Institute of Technology and the Shinohara House in Yokohama.