Leon has been with Ngee Ann Polytechnic since 2007 and his areas of competency include asset management, business continuity management, facilities management, fire safety, property management, risk management, valuation as well as workplace safety & health. Some of the MNCs, Public Institutions and SMEs that he has worked with are the Association of Property and Facility Management, Colliers International Asset Management (S), Council of Estate Agencies, Johnson Control International (S), Jones Lang Lasalle (S), Keppel FMO, Keppel Land International, Ministry of Manpower, Republic of Singapore Air Force and Singapore Civil Defence Force.