Climate Change and Environment
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Paul Polman
Former CEO, Unilever; Sustainable & Responsible Business Leader
Lewis Gordon Pugh
Explorer, World Record Swimmer and Environmentalist
Jeffrey Sachs
Legendary Development Economist
Enric Sala
National Geographic Explorer in Residence & Marine Ecologist
Tara Shine
Adventurer, TV Presenter & Writer
Vandana Shiva
Environmental Activist, Radical Scientist & Eco Feminist
David Shukman
BBC Science Editor and Author
Lucy Siegle
Broadcaster and Financial Commentator
Lauren Singer
Zero Waste Expert, Entrepreneur, Blogger & Environmental Activisit
Guy Singh-Watson
Founder of Riverford Organic Farmers
Boyan Slat
Entrepreneur & Visionary
Achim Steiner
Administrator, United Nations Development Programme
Nicholas Stern
Global Economist & Chairman of the LSE Grantham Institute
Nadja Swarovski
A Visionary Businesswoman
Tshering Tobgay
Former Prime Minister of Bhutan