Marc de Sousa-Shields is an international sustainable development and investment consultant. He co-founded and was first Executive Director of the Social Investment Organization (SIO) of Canada and has been an advisor to the United Nations and a member of the US Social Investment Forum International Committee. Marc has written for leading on-line corporate sustainability magazines, TheSustainableCentury.net blog, and the Sustainable Century Podcast. Marc's latest book "Invest Like You Give a Damn: Make Money, Change the World, Sleep Well at Night" is a DIY book for impact investing.