Mr. Donald Choi, Executive Director and Chief Executive Officer, Chinachem Group, shared with SEE students and faculty members his professional experience in sustainable housing and construction on 28 October 2020. As the guest speaker of SEE Colloquium, Mr. Choi shared his personal views on the challenges faced by the private sector as well as the potentials of lowering construction cost through the adoption of alternative construction methods, like modular integrated construction or design for manufacture and assembly.