This year I picked Warren Buffett as my exemplar – a person I think demonstrates the trait I am trying to learn about – for 2020, the theme is ‘action economy’ which is a fancy way to say efficiently using your time to achieve your goals. I write these reviews following a review template to help me get the most out of the process of having an exemplar. Below is my entry for Warren Buffett. What did Warren Buffett achieve? Warren Buffett is the most successful investor of all time. He founded an investment fund that achieved a yearly return that consistently beat the overall market for 50+ years. His ownership stake in that fund has made him one of the richest people in the world (in 2008 he took the top spot for one year, the only year where he has held it). Why did he care about that?