Tan Szue Hann is an award-winning architect, strategist and thought leader in sustainability and sustainable development. Hann is the Chairman of Sustainability, Singapore Institute of Architects, the professional body for Architects in Singapore, and leads sustainable development at a leading global hospitality chain. Hann is also an appointed World Cities Summit Young Leader, and BCA Built Environment Young Leader. In 2021, he co-founded IxSA (Innovation x Sustainability Alliance), a global non-profit think tank, with a group of sustainability leaders. Hann was Singapore’s 2015-16 BCA-SGBC Young Green Architect of the Year. His portfolio includes the award-winning ParkRoyal on Pickering with WOHA, and the BCA SkyLab with Surbana Jurong. He has spoken in numerous conferences including SWITCH, the UN Asia Pacific Urban Forum, and COP25 in Madrid.