Governing Board (GB) Members are the high-level officials of Ministry of Education or related institution nominated by the Minister of Education of respective SEAMEO Member Countries and appointed by the President of the Council
| 1 | Brunei Darussalam |
| Dayang Siti Salmiah binti Awg Abas
Chairperson of the Subject-Based Committee for Mathematics 31 Agustus 2021 – 30 Agustus 2024 |
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| 2 | Cambodia |
| Dr. Luey Sokea
Teacher Trainer of Mathematics 8 Januari 2022 – 7 Januari 2025 |
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| 3 | Indonesia |
| Dr. Drs. Rachmadi Widdiharto, M.A.
Director of Teachers for Primary Education 29 August 2022 – 28 August 2025 |
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| 4 | Malaysia |
| Dr. Mohd Azam bin Ahmad
Rector 22 January 2024 – 21 January 2027 |
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| 5 | Singapore |
| Dr. Tan Liang Soon
Principal Master Teacher / Mathematics 18 September 2022 – 17 September 2025 |
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| 6 | Myanmar |
| Dr. Aung Kyaw
Professor 10 September 2021 – 9 September 2024 |
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| 7 | Thailand |
| Assoc. Prof. Dr. Thiradet Jiarasuksakun
President 28 April 2023 – 27 April 2026 |
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| 8 | Timor Leste |
| Dr. Bernandino Castro
Director-General for Policy, Planning, and Inclusion 28 September 2023 – 27 September 2026 |
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| 9 | The Philippines |
| Dr. Mario M Bermudez
Director III 17 July 2023 to 16 July 2026 |
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| 10 | Lao PDR |
| Mrs Soukanda Salinthavong
Deputy Principal 27 Desember 2022 – 26 Desember 2025 |
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| 11 | Vietnam |
| Assoc. Prof. Dr. Le Cong Trinh Cong
Dean 21 September 2020 – 20 September 2023 |