Alexis Ohanian

Technology Entrepreneur, Investor, Activist & Bestselling Author; Co-Founder of Reddit and Founder of the 776 Foundation

Alexis Ohanian - A Bit of Optimism/Simon Sinek podcast

Daniel Kraft, M.D.

Physician-Scientist, Inventor & Entrepreneur

Amber Jenkins

Information Architecture & Strategic Communications Lead, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Lisa Gansky

Corporate Advisor, Marketing Expert & Author of "The Mesh: Why the Future of Business Is Sharing"

Winona LaDuke

Environmental Activist & Author; Climate Justice, Renewable Energy & Sustainability Advocate; Executive Director of "Honor the Earth"

Ashley Judd

Actress, Humanitarian, Political & Environmental Activist