Goh Yong Siang is the Chairman of Stratagem Group Pte Ltd. He is also currently the Chairman of Gas Supplies Pte Ltd, an importer of LPG from Indonesia and supplier to Singapore power-generating and petro-chemical companies, and Chairman of Deep Identity Pte Ltd, an identity recognition software company. He is on the Board of Directors of Pavilion Energy Pte Ltd, Temasek Management Services Pte Ltd, Temasek Foundation International CLG Ltd, Hexagon Development Advisers Pte Ltd, and an Advisor to Hakluyt (Asia) Pte Ltd. He is also an Advisor to Temasek International Pte Ltd.
He retired as Chief of the Singapore Air Force in 1998. He was a fighter pilot and flew the Hunter, F5 and F16. He then went into private equity in Dallas, Texas from 1999 to 2005. From 2006 to 2013, he was a Senior Managing Director in Temasek International.
Yong Siang holds a BA from the National University of Singapore and had attended the Leaders in Administration Programme at the Singapore Civil Service College, and the Advanced Management Programme in Harvard Business School.