Skip to main content
A Singapore Government Agency Website How to identify
Official website links end with .gov.sg
Government agencies communicate via .gov.sg websites (e.g. go.gov.sg/open). Trusted websites
Secure websites use HTTPS
Look for a lock () or https:// as an added precaution. Share sensitive information only on official, secure websites.

Government officials will never ask you to transfer money or disclose bank log-in details over a phone call.

Call the 24/7 ScamShield Helpline at 1799 if you are unsure if something is a scam

Ministry of Digital Development and Information

MDDI senior management

Meet the senior management team leading MDDI.

Last updated 10 March 2026

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

Yap Neng Jye

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

Tan Pei-En

Deputy Secretary (Digital Society and Development) (Designate), MDDI