David Koh

Biography

David Koh was the founding Chief Executive of the Cyber Security Agency of Singapore (CSA), serving from April 2015, and Commissioner of Cybersecurity from 2018. He retired from both roles on 1 July 2026 after 42 years of public service and was succeeded by Gwenda Fong.

At CSA he led the refreshes of Singapore’s Cybersecurity Strategy in 2016 and 2021, oversaw the Cybersecurity Act of 2018 and its 2024 amendment, and initiated the Singapore International Cyber Week in 2016. He also oversaw Singapore’s participation in the UN Group of Governmental Experts on ICT security and its chairing of the UN Open-Ended Working Group. He concurrently served at the Ministry of Digital Development and Information as Chief (Digital Security and Technology). Earlier he served in the Singapore Armed Forces and the Ministry of Defence, most recently as Deputy Secretary (Special Projects) and Defence Cyber Chief. He holds degrees from King’s College London and Harvard University.