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. He has been an advisor to the United Nations and was a Member of the US Social Investment Forum International Committee. He wrote Sustainable and Responsible Investment in Emerging Markets for the World Bank-International Finance Corporation and led a USAID project on Transitions to Private Capital. He has written for leading on-line corporate sustainability magazines including Triple Pundit and Sustainable Brands and is author of The Sustainable Century by Design or Disaster (forthcoming), TheSustainableCentury.net blog, and the Sustainable Century Podcast. The hardest things he has done are convincing his mother-in-law to make social investments, and organic urban gardening in a semi-tropical climate. He has worked and traveled in over 80 countries and when not on the road, Marc lives in Mexico.