He has arguably the toughest act in Corporate America—following Warren Buffett. But now that Greg Abel officially has a timetable to take over Berkshire Hathaway by year-end, the question is: How will he run it?

Warren Buffett will step down as Berkshire Hathaway CEO at the end of 2025, paving the way for longtime successor, vice chairman Greg Abel, to take the reins.

When Warren Buffett announced at his annual shareholder meeting that he is stepping down as CEO of Berkshire Hathaway at the end of the year, he elevated a 62-year-old Canadian executive named Greg Abel who has long been one of his top lieutenants.