By Susanna Bair
Andrew Savitz, founder of Sustainable Business Strategies and author of books including Talent, Transformation and the Triple Bottom Line, recalls how one freezing January night, he saw an old woman in rags, sleeping in the gutter of one of the most fashionable shopping districts in Paris. The image prompted him to dedicate his life "to finding ways to unleash or harness the power of the free market, so that no one has to live like that."