Kisii School alumni have long defined excellence in governance, sports, public service, academia, and business. Established in 1934 as a Government African School, Kisii School has become one of Kenya’s most respected national schools. Its alumni network of over 10,000 continues to exert influence across all sectors of Kenyan life.
At the top of the judiciary, David Maraga, former Chief Justice of Kenya, made history as the first judge in Africa to nullify a presidential election—cementing his place in global judicial annals. His leadership and commitment to constitutionalism were shaped in part by the values instilled during his time at Kisii School.
Fred Matiang’i, who held multiple Cabinet portfolios including Education, Interior, and ICT, is another influential alumnus. Known for his firm leadership and efficiency, Matiang’i modernized Kenya’s education and security sectors, becoming one of the most trusted technocrats in government.
In athletics, Robert Ouko, a gold medalist in the 1972 Munich Olympics, placed Kisii School on the global sports map. His 400m relay victory remains a proud moment in Kenya’s Olympic history.
John Muiruri, Belgium First Division footballer, and Simon Mulama, a former Mathare United star, are among the many elite athletes the school has produced. These sportsmen underscore Kisii School’s dominance in co-curricular excellence.
In politics, Simeon Nyachae, the school’s first alumnus, rose to become a powerful Cabinet minister and presidential candidate. His leadership legacy continues to shape Kisii County and Kenya at large. Other political leaders include Wycliffe Oparanya (Governor, Kakamega), Cornel Rasanga (Governor, Siaya), and James Ongwae (Governor, Kisii), each of whom has led county transformation since the onset of devolution.
Joshua Oigara, former CEO of KCB Group and current CEO of Stanbic Bank Kenya & South Sudan, illustrates the school’s influence in the corporate world. His leadership in East Africa’s banking sector reflects the ambition and excellence that Kisii School encourages.
In diplomacy and global policy, Joseph Odero-Jowi served as Kenya’s Ambassador to the UN and Minister for Economic Planning, while Geoffrey Aori Mabea currently serves as Executive Secretary of the Energy Regulators Association of East Africa.
The school’s academic spirit was also carried forward by the likes of Ratemo Michieka, former Vice Chancellor of JKUAT, and Douglas Odhiambo, former Moi University VC, who elevated Kenya’s university education system.
With such a distinguished network, Kisii School’s alumni community—if effectively mobilized—holds immense potential to not only advance the school’s mission but to further transform Kenya’s future.
Complete List of Notable Kisii School Alumni:
- David Maraga – Retired Chief Justice of Kenya
- Fred Matiang’i – Former Cabinet Secretary (Interior, Education, ICT)
- Simeon Nyachae – Former Minister and presidential candidate
- Robert Ouko – Olympic gold medalist (400m relay, 1972)
- John Muiruri – Former Belgium First Division footballer
- Simon Mulama – Former Mathare United footballer
- Henry Nyandoro – Former Shabana FC and national team footballer
- Wycliffe Oparanya – 1st Governor of Kakamega County
- Cornel Rasanga – 1st Governor of Siaya County
- James Ongwae – 1st Governor of Kisii County
- John Nyagarama – 1st Governor of Nyamira County
- Christopher Obure – 1st Senator of Kisii County
- Richard Momoima Onyonka – Senator, Kisii County
- Dalmas Otieno – Former Cabinet Minister, MP for Rongo
- Jimmy Angwenyi – MP, Kitutu Chache North
- James Gesami – MP, West Mugirango
- Joseph Odero-Jowi – Former Ambassador to the UN & Minister
- Joshua Oigara – Former KCB CEO, current Stanbic Bank CEO
- Geoffrey Aori Mabea – Executive Secretary, ERA of East Africa
- Douglas Odhiambo – Former Moi University Vice Chancellor
- Mutahi Ngunyi – Political analyst
- Henry Obwocha – Former Finance Minister
