Khoa is a qualified structural engineer with more than 20 years of experience in research, design and site construction support for landmark projects in Australia, Singapore, Malaysia, and Vietnam. He successfully finished various tall building project life cycles from feasibility study, conceptual stage to completion of detail design and construction stage. He has experience in providing efficient structural solutions for various world-class architects for example: Zaha Hadid (London, UK), NBBJ (New York, USA), and DPA (Singapore).