Tai Lee Siang

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Head of Pillar, Architecture and Sustainable Design, Director, DesignZ, and Programme Director, Design and Artificial Intelligence


Pillar / Cluster: Architecture and Sustainable Design, Design and Artificial Intelligence


Lee Siang started his career as an urban designer with the Urban Redevelopment Authority in 1990. He joined DP Architects in 1992 and became a partner in 2000. Between 2011 to 2016, Lee Siang joined Ong&Ong Group, a multi-discipline design firm as Group Managing Director. In 2018, Building & Construction Authority invited Lee Siang to assume the position of Executive Director, BuildSG to spearhead industry engagement. His role was expanded to include Communication and Engagement in 2020. In 2021, Lee Siang is appointed by Singapore University of Technology & Design to be the Head of Pillar, Architecture and Sustainable Design ASD.

Lee Siang is most passionate about voluntary works on the NGOs fronts. In the 10 years between 2007 and 2018, he was elected president for 3 trade associations and chairman for 1 global NGO. The organisations are :

  • Singapore Institute of Architects, President 2007 – 2009
  • Singapore Green Building Council, President 2011 – 2013
  • Design Business Chamber Singapore, President 2012 – 2016
  • World Green Building Council, Chairman 2016-2018

A key initiative started during Lee Siang’s term as WorldGBC Chair is the Advancing Net Zero movement that results in the increasing adoption of Net Zero Buildings worldwide.


  • Bachelor of Arts, Architectural Studies 1983
  • Bachelor of Architecture (Honours) 1987


  • Tai Lee Siang with Valerie Ang, “Cities of Love” 2016 – Roadmap for Sustaining Future Cities


  • 1988 – Sword of Honour, Singapore Armed Forces
  • 1999 – Architectural Heritage Awards – Far East Square
  • 2004 – “20 under 45” – Top 20 Singapore Architects below the age of 45
  • 2006 – President’s Design Award – Design of the Year, New Majestic Hotel
  • 2010 – The International FIABCI Prix d’Excellence Award – Central@Clark Quay