In this biography
Quick facts
- Born
- 28 May 1966
- Birthplace
- Cambodia
- Country
- Cambodia
- Nationality
- Cambodian
- Known for
- Serving as ASEAN’s first Cambodian secretary-general during the adoption of ASEAN 2045
- ASEAN office
- 15th Secretary-General
- Nationality
- Cambodian
- Term
- 2023–2027
- Academic institution
- Founder, University of Cambodia
- Regional framework
- ASEAN 2045: Our Shared Future, adopted May 2025
Why this life matters
Kao is the first Cambodian to lead the ASEAN Secretariat, after decades working on his country’s foreign policy, ASEAN diplomacy and higher education.
Timeline
Key moments
Completed U.S. undergraduate and master’s degrees
Earned an Asian Studies degree at Baylor and two master’s degrees at Ohio University.
Led a Cambodian policy institute
Worked on peace, cooperation and development research after returning to Cambodia.
Completed a political-science doctorate
ASEAN’s 2007 task-force biography dates his University of Hawaii at Manoa PhD to 2001.
Founded the University of Cambodia
Established the university and later served as its president until 2022.
Secretary of state for foreign affairs
Held a senior diplomatic post and represented Cambodia in ASEAN processes.
Contributed to the ASEAN Charter task force
Represented Cambodia on the High Level Task Force drafting the Charter signed in November.
Minister delegate to the prime minister
Advised Cambodia’s government before his ASEAN appointment.
Became ASEAN secretary-general
His five-year term began on 1 January; the Jakarta handover ceremony took place on 9 January.
ASEAN 2045 formally adopted
Participated in the ceremony where ASEAN leaders signed the Kuala Lumpur Declaration on the new regional vision.
Cambodian childhood and education in the United States
Kao Kim Hourn is Cambodian. His childhood included the Khmer Rouge period; in a 2023 ASEAN Magazine interview he described hunger, disrupted schooling and the struggle to survive. He also recalled arriving in the United States without English and rebuilding his education through high school and university.
ASEAN’s 2007 task-force biography records a Baylor University BA in Asian Studies in 1989, two Ohio University master’s degrees in 1991 and a University of Hawaii at Manoa PhD in Political Science in 2001. The doctorate came after his January 1993 return to Cambodia, not before it. The honorary doctorate also listed in that record is a separate qualification.
Research and the University of Cambodia
After returning, Kao ran a Cambodian think tank focused on regional cooperation from 1993 to 2001. This placed research and policy discussion alongside Cambodia’s renewed engagement with neighbouring countries. His later official biography presents that period as part of a career connecting diplomacy, scholarship and institution-building.
In 2003 he founded the University of Cambodia and became its president, serving until October 2022. He described the university’s purpose in terms of widening educational opportunities for disadvantaged young people. That stated mission helps explain the connection between his education work and regional youth agenda; it does not by itself demonstrate measured improvements in access or graduate outcomes.
Cambodian diplomacy and drafting the ASEAN Charter
Kao served as Cambodia’s ASEAN Senior Officials Meeting leader in 2001–2012 and as secretary of state at the foreign ministry in 2004–2013. He was not Cambodia’s foreign minister. From 2013 to 2022 he served as minister delegate attached to the prime minister, with responsibilities involving foreign affairs and ASEAN.
He represented Cambodia on the High Level Task Force that drafted the ASEAN Charter, signed by member-state leaders in November 2007. The Charter gave ASEAN legal personality and specified its institutional framework. Kao’s role was as one national representative in a collective drafting process, not sole author of the treaty or the official who individually approved it for every country.
The 2023–2027 secretary-generalship and its limits
ASEAN leaders appointed Kao at their November 2022 summit. His five-year term began on 1 January 2023, and a Jakarta ceremony on 9 January marked the handover from Brunei’s Lim Jock Hoi. He became the fifteenth secretary-general and the first Cambodian to hold the office.
Article 11 makes the secretary-general ASEAN’s chief administrative officer, responsible for facilitating and monitoring decisions and reporting to the summit. The term is non-renewable. This office is distinct from the annually rotating ASEAN chairmanship. The Charter’s consultation-and-consensus framework means that Kao cannot unilaterally dictate member states’ foreign policy or resolve political crises by administrative order.
The Six Ps and ASEAN 2045
At the start of his term Kao grouped his priorities under six themes: peace, prosperity, planet, people, partnerships and potentials. In his March 2023 interview he linked them to stability, economic integration, environmental pressures and youth participation. They were a statement of priorities, not six completed programmes or proof that regional challenges had been solved.
The post-2025 agenda subsequently moved into an adopted framework. On 26 May 2025 ASEAN leaders signed the Kuala Lumpur Declaration on ASEAN 2045: Our Shared Future, with Kao participating in the ceremony. The vision is accompanied by political-security, economic, socio-cultural and connectivity plans. Its adoption provides a concrete milestone in his term, while delivery remains a shared responsibility of ASEAN bodies and national governments.
Quick answers
Frequently asked questions about Kao Kim Hourn
- What is Kao Kim Hourn’s nationality?
- He is Cambodian and became the first Cambodian secretary-general of ASEAN in 2023.
- When did Kao Kim Hourn become ASEAN secretary-general?
- His 2023–2027 term began on 1 January 2023. The transfer-of-office ceremony in Jakarta took place on 9 January, following his November 2022 appointment.
- Where did Kao Kim Hourn study?
- He earned a BA at Baylor University, two master’s degrees at Ohio University and a political-science doctorate at the University of Hawaii at Manoa. ASEAN’s 2007 biography dates the doctorate to 2001.
- Is the ASEAN secretary-general also the ASEAN chair?
- No. The secretary-general leads the Secretariat for a five-year non-renewable term. ASEAN’s chairmanship rotates among member states annually under a separate Charter provision.
Keep exploring
Lives connected to this story
- Mengly J. Quach
Follow Mengly J. Quach’s separate journey from public-health teaching to Cambodia’s private education business.
- Sok An
Read about an earlier Cambodian minister’s distinct work in government coordination, heritage and tribunal negotiations.
- Ajit Singh
Compare the strengthened 1993 Secretariat with the later Charter-era secretary-generalship.
- Ong Keng Yong
Explore ASEAN leadership during the collective process that produced the Charter.
- Lim Jock Hoi
Kao’s predecessor led the Secretariat through the pandemic before the 2023 handover.
- Hun Sen
Place Kao’s earlier Cambodian government assignments in their national political context.
Sources and further reading
Explore the evidence
These references support the biography and offer further reading. Official records, first-person accounts and independent reporting provide different perspectives; image records document attribution and licensing.
- 1. ASEAN SecretariatSecretary-General of ASEAN — profile
Indexed current official profile supports national posts and university leadership. It dates the secretary-of-state tenure from 2004; that is used rather than the magazine introduction’s 2003 start.
- 2. ASEAN SecretariatKao Kim Hourn takes office as Secretary-General
Indexed 10 January 2023 report describes the ceremony held the previous day; the magazine states that the term began on 1 January. Appointment, term commencement and ceremony are kept separate.
- 3. The ASEAN MagazineDr. Kao Kim Hourn — interview
Interview is used as Kao’s own account of childhood and priorities. Aspirations and institutional self-description are not treated as independently measured results.
- 4. ASEAN SecretariatHigh Level Task Force biographies, December 2007
Indexed December 2007 task-force biography supplies degree dates, including the 2001 PhD. The full PDF could not be retrieved in this review. Returning to Cambodia in 1993 did not imply that every qualification was already completed.
- 5. ASEAN SecretariatASEAN Charter — Articles 11, 20 and 31
- 6. The ASEAN MagazineASEAN Community Vision 2045: Our Shared Future
Despite “2025” in the URL, the article concerns the ASEAN 2045 vision adopted on 26 May 2025. Adoption and participation are documented without crediting the whole framework to one official.
- 7. Wikimedia CommonsKao Kim Hourn portrait — image and licence record
