#680: Richard Koch — Revisiting the 80/20 Principle, The Power of Optimistic Journaling, Studying History to Improve Investing, and The Grand Beliefs of Winners (Plus: The Toxic Beliefs of Losers)

Brought to you by Secureframe automated security and privacy compliance platform, Eight Sleep’s Pod Cover  sleeping solution for dynamic cooling and heating, and Wealthfront  high-yield savings account. Richard Koch (@RichardKoch8020) is an entrepreneur, investor, former strategy consultant, and author of several books on business and ideas, including four on how to apply the 80/20 principle in all walks of life.His investments have grown at 22 percent compounded annually over 37 years and have included Filofax, Plymouth Gin, Belgo, Betfair, FanDuel, and Auto1. He has worked for Boston Consulting Group and was a partner at Bain & Co. before joining Jim Lawrence and Iain Evans to start LEK, which expanded from three to 350 professionals during the six years Richard was ther