Mr David Koh is the Commissioner of Cybersecurity and Chief Executive of the Cyber Security Agency (CSA) of Singapore. As a Commissioner, he has the legal authority to investigate cyber threats and incidents to ensure that essential services are not disrupted in the event of a cyber-attack. Concurrently, as Chief Executive of CSA, he leads Singapore’s efforts to provide dedicated and centralised oversight of national cyber security functions. These include enforcing the cybersecurity legislation, strategy and policy development, cyber security operations, ecosystem development, public outreach and international engagement. Mr Koh also sits on the Boards of the Government Technology Agency (GovTech), Defence Science and Technology Agency (DSTA) and DSO National Laboratories (DSO), and the Monetary Authority of Singapore (MAS) Cyber Security Advisory Panel. Prior to his current appointments, Mr Koh served in the Singapore Armed Forces (SAF) and the Ministry of Defence (MINDEF), where he held numerous command and staff appointments. He was most recently the Deputy Secretary (Special Projects) and Defence Cyber Chief of MINDEF, where he was responsible for leading and coordinating cyber defence policy, capability development, and operations for Singapore’s defence cluster. Mr Koh is the recipient of the first Billington CyberSecurity International Leadership Award. He has also been awarded the Public Administration Medal – Gold, the Public Administration Medal – Silver (Military), the Public Administration Medal – Bronze (Military), and the Commendation Medal (Military). Mr Koh has a Master’s degree in Public Administration from Harvard University, USA; and a Bachelor’s degree in Electrical and Electronics Engineering from King’s College, London, UK. He and his wife, Marlene, have three children, Daniel, Rachel and Michael.