Math guy. MD at Thiel Capital. Host of The Portal

Business magnate, investor, and philanthropist. Chairman and CEO of Berkshire Hathaway. One of the best-known fundamental investors in the world.

American economist, columnist, and blogger. Professor at George Mason University, holding the Holbert L. Harris chair in the economics department. Co-host of the economics blog Marginal Revolution and co-founder of Marginal Revolution University.