MDDI senior management
Meet the senior management team leading MDDI.
Last updated 1 December 2025
Joseph Leong
Permanent Secretary (Digital Development and Information)
Permanent Secretary (Smart Nation), PMO
Permanent Secretary (Cybersecurity), PMO
Chng Kai Fong
Permanent Secretary (Development), MDDI
Permanent Secretary (Development)(Smart Nation)(Cybersecurity), PMO
Tan Chye Hee
Permanent Secretary (Information and Development), MDDI
Foo Kok Jwee
Chief of Government Communications
David Koh
Chief Executive of Cyber Security Agency of Singapore
Chief of Digital Security & Technology
Poon Hong Yuen
Deputy Secretary (Digital Economy & International), MDDI
Sim Feng-Ji
Deputy Secretary (Digital Government), MDDI
Gwenda Fong
Deputy Secretary (Digital Society & Development), MDDI