Marga Hoek is a member of Thinkers50, she is that rare combination: a true visionary on sustainable business and capital and a successful, innovative business leader who understands and applies the commercial realities of business. Operating at the highest level with ministers and presidents, Marga is a global voice for G20, G7 Climate Change and Cop 23 and a regular contributor for prestigious, global media like Forbes Magazine, Fortune and The Huffington Post. Her latest book The Trillion Dollar Shift, on the business opportunities of the Sustainable Development Goals, received an international, gold medal.

Bea Johnson and her family are dedicated to living a Zero Waste lifestyle; they generate a mere quart of waste per year. Through her blog and with her book, Zero Waste Home, Bea inspires a growing international community to live simply and take a stance against needless waste. Her passion and positive outlook have earned her appearances on TV and in publications around the world. Grand prize winner of "The Green Awards" in 2011, she regularly speaks at universities, corporate events and conferences. She has become the spokesperson for the Zero Waste lifestyle or, as The New York Times puts it: “The Waste-Free Priestess”.

Chrissa Pagitsas is a strategic advisor, keynote speaker, and author. She advises senior executives and boards on the intersection of environmental, social, governance (ESG) and global business. She is the author of the book "Chief Sustainability Officers at Work" (Apress, 2022) which explores the leadership strategies of Chief Sustainability Officers and Heads of ESG at Fortune 500 companies including BlackRock, The Coca-Cola Company, Duke Energy, and Procter & Gamble.