Sam Goldman is D.light’s co-founder and CEO. He has founded and managed ventures in India and Africa for 10 years, including improved agriculture and construction businesses, an agricultural training centre, and a for-profit NGO cultivating the miracle tree Moringa. He has distributed low-cost latrines, cook stoves and rain cisterns in rural Africa. Sam has lived in Cameroon, Mauritania, Pakistan, Peru, India, Rwanda, Canada and USA. He has an MSc Biology and MBA from Stanford. Read Sam’s blog on Social Edge.