Kisii and Nyamira counties have emerged as major economic hubs in Western Kenya. Known for their rich agricultural lands, transport empires, real estate booms, and political clout, these two counties are home to some of Kenya’s most successful individuals. From bus companies and hotels to construction and agriculture, the wealth in the Gusii region spans multiple industries.
Below is an updated list of the top 25 richest people in Kisii and Nyamira Counties, along with their estimated net worth in both USD and KES.
1. Simeon Nyachae Family
Estimated Net Worth: $2.5 billion (KES 330 billion)
The late Simeon Nyachae remains the richest man in Kisii’s history. His wealth came from banking, real estate, agriculture, and manufacturing. He was a major shareholder in CBA Bank and owned Sansora Group, Swan Millers, Kabansora Millers, and Simbi Roses Ltd. His vast estate is now shared among his wives and 35 children.
2. Evans Nyagaka Anyona – ENA Coach Founder
Estimated Net Worth: $300 million (KES 39.6 billion)
From a small-scale farmer to the founder of ENA Coach, Evans Anyona revolutionized public transport in Kenya. He previously co-founded Transline Classic before launching ENA Coach, which now dominates long-distance travel across Kenya.
3. Ouru Brothers – Ouru Superstores Ltd
Estimated Net Worth: $150 million (KES 19.8 billion)
Starting from humble beginnings, the Ouru brothers built Ouru Superstores into a retail and hardware empire. Their business empire now includes real estate and hospitality investments both in Kenya and abroad.
4. Prof. Sam Ongeri
Estimated Net Worth: $100 million (KES 13.2 billion)
A respected politician and academic, Prof. Ongeri has invested in agriculture, real estate, and banking. His children also hold senior positions in finance, engineering, and medicine across the globe.
5. Amin Shamsudin – Jiwa Shamji Ltd Owner
Estimated Net Worth: $90 million (KES 11.9 billion)
Amin heads Jiwa Shamji Ltd, a powerhouse in Western Kenya’s construction sector. The company is involved in roads, quarrying, paving blocks, and vehicle dealerships.
6. James Ongwae – Former Kisii Governor
Estimated Net Worth: $80 million (KES 10.6 billion)
The first Governor of Kisii County, Ongwae invested heavily in real estate and infrastructure. His political career helped him grow his financial base with businesses spread across multiple sectors.
7. Hon. Stephen Kengere Manoti
Estimated Net Worth: $70 million (KES 9.2 billion)
An accountant by training, Manoti owns real estate and other business ventures across major towns in Kenya. He rose through politics and private investments.
8. Hon. Christopher Obure
Estimated Net Worth: $60 million (KES 7.9 billion)
Obure is a long-serving politician with a strong financial background. Despite controversies, he invested widely in agriculture and real estate.
9. Dr. Fred Okeng’o Matiang’i
Estimated Net Worth: $50 million (KES 6.6 billion)
Former Interior Cabinet Secretary Fred Matiang’i is known for his wealth in real estate and agribusiness. Though private, his financial influence remains significant.
10. Hon. Ben George Orori Momanyi
Estimated Net Worth: $45 million (KES 5.9 billion)
Momanyi owns BOM Hotels, BOM Properties, and stakes in Windrose Towers, Mercedes Benz Nairobi Motors, and other ventures, including resorts and law firms.
11. Jason Mosinga – JM Lavington Holdings
Estimated Net Worth: $40 million (KES 5.3 billion)
Mosinga’s firms include JM Lavington Holdings, Deepack Petroleum Fuels, Halogen Group, and Slums Africa. His businesses cover fuel, logistics, and real estate.
12. Haron Kamau – Kamel Park Hotel Owner
Estimated Net Worth: $35 million (KES 4.6 billion)
Kamau owns Kamel Park Hotel, a luxury facility in Kisii, and is also linked to Overseas Buses and Transline Classic. His hospitality ventures are among the county’s finest.
13. Mogeni Ongenyo – Mogeni Tea Factory Owner
Estimated Net Worth: $30 million (KES 3.9 billion)
Ongenyo owns Mogeni Tea Factory and has stakes in American Export Ltd and Silicon Company. He is a leading figure in Nyamira’s agriculture sector.
14. Patrick & Isabella Lumumba – Ufanisi Resort Co-owners
Estimated Net Worth: $25 million (KES 3.3 billion)
The Lumumba couple owns Ufanisi Resort in Kisii Town, a landmark hospitality investment. Their success comes from blending strategic location and luxury service.
15. Dr. Ezekiel Orwenyo – Nyangena Hospitals Owner
Estimated Net Worth: $20 million (KES 2.6 billion)
Dr. Orwenyo owns Nyangena Hospitals and several real estate properties, including the Nairobi-based Mediaeval Mall and Nyakongo Towers in Kisii.
16. Joash Maangi – Former Deputy Governor
Estimated Net Worth: $5.3 million (KES 690 million)
Maangi owns a KES 50 million mansion in Kisii and another in the U.S. His investments span real estate and hospitality.
17. Dr. Steve Mogaka – Lawyer & Politician
Estimated Net Worth: $4.5 million (KES 594 million)
Mogaka is a practicing lawyer and Member of Parliament. He has real estate and legal firm holdings, plus shares in consultancy firms.
18. David Onyancha – Real Estate & Agri Mogul
Estimated Net Worth: $4 million (KES 528 million)
Onyancha has invested in banana and avocado farming, food processing, and rental units in Kisii and Nairobi.
19. Kennedy Omwenga – Construction & Logistics
Estimated Net Worth: $3.5 million (KES 462 million)
Omwenga owns a mid-sized construction company operating in Kisii and Eldoret, focusing on roads, rentals, and warehousing.
20. Milkah Nyaboke – Education & Retail Investor
Estimated Net Worth: $3 million (KES 396 million)
She runs private schools and general supplies businesses, with links to several public procurement ventures in Kisii and Nyamira.
21. Eng. Daniel Oirere – Infrastructure & Roads
Estimated Net Worth: $2.8 million (KES 370 million)
Oirere manages a civil engineering firm that deals in bridge construction, estate roads, and public works tenders.
22. George Nyakundi – Hotelier & Real Estate Developer
Estimated Net Worth: $2.5 million (KES 330 million)
He owns two hotels, apartments in Kisii Town, and recently invested in a mini-mall in Oyugis.
23. Carolyne Nyanchama – Agribusiness & Export
Estimated Net Worth: $2.3 million (KES 304 million)
She is an exporter of macadamia, herbs, and fruits and runs a women-led farming cooperative.
24. Dr. Nyabuto Moriasi – Medical Entrepreneur
Estimated Net Worth: $2.1 million (KES 277 million)
Owns clinics and pharmacies under a health group brand in Kisii and Nairobi suburbs.
25. Vincent Nyauma – Soapstone Mining & Exports
Estimated Net Worth: $2 million (KES 264 million)
Nyauma is involved in the soapstone mining sector in Tabaka and exports art globally.
Conclusion
The rise of these entrepreneurs and investors highlights Kisii and Nyamira’s shift from purely agricultural zones to economically diversified counties. Whether through transport, real estate, hospitality, or industry, these tycoons continue to shape the regional economy and inspire the next generation of Gusii millionaires and billionaires.
