Bill & Melinda Gates Foundation
Akon Lighting Africa
Open Society Foundations
AD Consulting
Fortune Forum
Grameen Bank
Yao Ming Foundation
Well Placed Consultancy
Mahindra Group
Essel Group
Chen Yidan Foundation
Fortescue Metals Group
Berkshire Hathaway
Grupo Carso
Sigrid Rausing Trust
Oprah Winfrey Network
SAP
Rumi Foundation
Gatsby Charitable Foundation
Harry Potter Franchise