Chris Best is the co-founder and CEO of Substack, the subscription newsletter platform that has paid out hundreds of millions of dollars to independent writers. A systems engineer turned serial entrepreneur, Best previously co-founded Kik Messenger, scaling it to 300 million users before pivoting to rewrite the economics of media. Substack - which he launched in 2017 with Hamish McKenzie and Jairaj Sethi - has grown to over 5 million paid subscriptions, raised $213M in total funding including a $100M Series C in 2025, and minted more than 50 creators earning over $1 million annually on the platform.
Glenn Greenwald is an American journalist, author, and former constitutional lawyer who broke the world's most consequential surveillance story - Edward Snowden's NSA revelations - earning a Pulitzer Prize and an Oscar-winning documentary. After co-founding The Intercept and exposing judicial corruption in Brazil, he now runs 'System Update,' an independent nightly show on Rumble, where he delivers unfiltered political commentary captive to no institutional master. He lives in Rio de Janeiro with his two adopted sons and 20+ rescue dogs.