In pictures: Kenyan entrepreneur

Mr Gitau helped Zablon put his plans into fruition and has given him invaluable help on subjects like financial management, health and safety and staff training.

Zablon's company, Beta Bins Waste Management, now operates throughout Kangemi, getting paid to pick up people's domestic waste.

It had a turnover of $4,699 last year - a healthy figure for a country with an annual per capita income of $371.