Ben Goertzel

CEO of AI Software Company Novamente LLC and Bioinformatics Company Biomind LLC, Chief Scientist at Hanson Robotics, Chairman of the Artificial General Intelligence Society

Garrett Reisman

Astronaut, Professor of Astronautical Engineering at USC & Senior Advisor at SpaceX

John Holdren

Professor of Environmental Policy & Director of the Program on Science, Technology, and Public Policy at the Harvard Kennedy School of Government

Peggy Whitson

NASA Astronaut; NASA's Most Experienced Female Astronaut; Biochemistry Researcher

Boyan Slat

Inventor, Entrepreneur & Founder of The Ocean Cleanup

Sarah Redmond

Organic seaweed farmer and entrepreneur

Sarah Redmond - Earth Optimism Summit 2017

Elizabeth Blackburn

Noble Prize Winnter & Former First Female President of The Salk Institute for Biological Studies

Dr. Judith Curry

President & Co-Founder of Climate Forecast Applications Network

Stuart Cowan

Chief Scientist, Smart Cities Council and Partner, Autopoiesis LLC

Nalini Nadkarni

Ecologist, Director of STEM Ambassador Program & Leading Expert in Canopy Research

Karen Lloyd

Marine Microbiologist

Anjali Tripathi

Planet Formation and Evolution Researcher at Harvard-Smithsonian Center for Astrophysics

Dianne Newman

Microbiologist; Newman Lab at the California Institute of Technology

Nancy Rabalais

Marine Ecologist

Danny Dorling

Social Geographer, Professor at the University of Oxford

Lujendra Ojha

Discovered Evidence of Water on Mars, Blaustein Scholar at Johns Hopkins University Earth and Planetary Science Dept

Bruno Sánchez-Andrade Nuño

PhD, Data Scientist at World Bank Group, Young Global Leader