| Kelvin Fan Sui Siong | |
| Honorific Suffix: | PPA(E) PPA(P) PBS |
| Awards: | See awards and decorations |
| Alma Mater: | Massachusetts Institute of Technology (MBA) Yale University (MA) Cambridge University (MEc) |
| Serviceyears: | 1998–present |
| Rank: | Major-General |
| Commands: | Chief of Air Force Chief Sustainability Officer Chief of Staff (Air Staff) Chief of Staff (Joint Staff) Director of the Defence Policy Office Commander, Air Defence and Operations Command Head, Air Operations Head, Air Plans Commanding Officer, 163 Squadron |
| Allegiance: |  Singapore |
Kelvin Fan Sui Siong is a Singaporean major-general who is currently serving as the Chief of Air Force.[1] [2]
In 1998, Fan received the Singapore Armed Forces (SAF) Overseas Scholarship. He went on to obtain a Master of Economics from the University of Cambridge and later earned a Master of Arts in international and developmental economics from Yale University.[3] [4] [5]
In 2010, Fan completed his studies at the Air Command and Staff College. He was awarded the Lee Kuan Yew Post-Graduate Scholarship in 2013 and subsequently earned a Master of Business Administration from the Massachusetts Institute of Technology.[6]
Fan joined the Singapore Armed Forces in 1998, beginning his service as an air warfare officer in the Republic of Singapore Air Force.
Throughout his military career, Fan has held several key roles, including Commanding Officer of the 163 Squadron; Head of Air Plans; Head of Air Operations; Director of the Defence Policy Office; Commander of the Air Defence and Operations Command; Chief of Staff (Air Staff); Chief of Staff (Joint Staff); and Chief Sustainability Officer.
On 22 March 2024, Fan succeeded Kelvin Khong as the Chief of Air Force.[7] Prior to this appointment, Fan served as Deputy Secretary (Policy) at the Ministry of Defence, where he was responsible for defence policies, international diplomacy, national education, and strategic communications.
Fan was promoted from the rank of brigadier-general to major-general on 1 July 2024.[8]
Fan is married to Yvonne Li and has three daughters.