Constant leads WBCSD’s regional office in Asia Pacific. He is a sustainability and construction sector expert. He supervises projects and helps member companies adopt sustainability thinking, methodologies and tools into business strategy and operations. Constant is on the board of two non-profit organisations, he is a regular speaker at events and judge for sustainability awards. He is an editorial advisor to Singapore National Environment Agency and was one of the invited experts that shaped Singapore Green Building Masterplan. He was VP Foresight at Lafarge, senior corporate strategy analyst at Alcatel, and a practicing civil engineer in Switzerland, Germany, and the UK, mainly for ARUP. He holds a master’s in civil engineering (ETHZ, Switzerland), an MBA (Cranfield University, UK) and a diploma in Directorship (SMU, Singapore).