The revered investor makes the list this year as one of the industry’s most powerful outside influencers given his position of Chairman and CEO of Berkshire Hathaway, the parent company of HomeServices of America (HSA), one of the nation’s largest real estate holding companies. Given that the 2023 SP 200 named HSA president and CEO Gino Blefari as the industry’s most powerful leader, Buffett earns the spot on the outsiders list, as Blefari technically reports to him.