Marco Siu is trained as an architect, a member of the Hong Kong Institute of Architects and the Danish Association of Architects, and is now an assistant project manager in a property developer in Hong Kong. He is also the deputy chairperson of the HKIA Planning & Urban Design Committee, member of organizing Committees for design competitions and the recipient of HKIA CPD Research Fund.
Previously with architectural practices, he has worked on projects on university campuses with laboratories, residential complexes, school and hospital projects. As an independent architect, he has worked on a placemaking project in Taiwan, also joining international architecture exhibitions and design competitions.