Warren Buffett is famous, while Berkshire Hathaway's new CEO, Greg Abel, is barely known. Business Insider reviewed Abel's past comments to better understand who he is and how he leads. Abel reads a lot, coaches sports, and hews closely to Buffett's investing approach. Warren Buffett is a world-renowned investor and business icon, famous for everything from his folksy wisdom and vast fortune to his frugal habits and love of junk food. Greg Abel, who took over as Berkshire Hathaway's CEO on January 1 ...