Gil Friend is president & CEO of Natural Logic Inc, where he advises leading companies on business-integrated sustainability strategies, and CEO of Critical Path Capital, a family of funds accelerating sustainable business revolution. He recently completed a secondment as the first Chief Sustainability Officer of the City of Palo Alto (California), where he led the development of the [then] most aggressive municipal sustainability and climate plan in the US. He is author of The Truth About Green Business and more than 100 articles. He is widely considered one of the founders of the sustainable business movement, and is an inaugural member of the ISSP Sustainability Hall of Fame.