Kok Fatt has held senior appointments in the Singapore Civil Service. He was Principal Private Secretary to former President Dr Tony Tan and served as Secretary of the Council of Presidential Advisors. At the Ministry of Finance, Kok Fatt served as Director of Fiscal Policy as well as managed organizational planning and funding for social programmes. He also led the management of information technology, international relations, research and performance management at Singapore Customs, a trade facilitation and revenue enforcement agency under the Ministry of Finance. He was a member of Institute of South East Asia Studies Board of Trustees.

After leaving the Civil Service, Kok Fatt was the Executive Director of the Future-Moves Group and Executive Director at United Overseas Bank. He is currently Deputy Chief Executive Officer of Gardens By The Bay.

He authored the book Singapore’s Fiscal Strategies for Growth: A Journey of Self-Reliance (2017).

Kok Fatt graduated with a Bachelor in Accounting (First Class) from the Nanyang Technological University of Singapore, and an MSc in Management as a Sloan Fellow at the London Business School.