Nation | by Elvis Ondieki
The names Nzambi Matee, Tracy Kimathi, Mtamu Kililo and Linus Wahome might not ring a bell among many Kenyans, but the innovators have caught the attention of a global organisation that deals in the provision of housing to low-income people.
Nzambi is the founder of Gjenge Makers Limited, a firm that converts plastic waste into affordable building products while Tracy is the brains behind Tree Sea.mals, a company that deals with off-grid solar energy and solar-powered cooling systems…









