Makueni Governor Mutula Kilonzo Junior has met American businessman Bill Gates.
Gates also planted a tree in Makueni, assisted by Governor Mutula.
Gates is in the country to hold a series of public engagements.
He also visited the Makueni Mother and Child hospital and Kathonzweni Health Centre.
Gates will announce Bill & Melinda Gates Foundation's commitment to supporting new innovations and ingenuity aimed at improving health, food security, and gender equality in African countries.