Slava Rubin is co-founder of IndieGoGo, the world's largest crowdfunding platform. He also is co-founder of humbition, an early-stage operators fund investing in mission-driven companies and the innovative entrepreneurs who founded them.
Rachel Lehmann-Haupt is a book author and journalist based outside San Francisco. Her company, Lehmann-Haupt Media, writes and produces media projects and experiences on science, social trends, lifestyle, health, and memoir.