Buffett's Unlikely Comeback: What's Behind the Oracle's Return to Power? Warren Buffett's decision to step down as CEO of Berkshire Hathaway last year marked a significant shift for the conglomerate.
However, his lieutenant Greg Abel took over as CEO, and Buffett remains chairman, still exerting considerable influence over Berkshire's investments.
Recent portfolio disclosures suggest that Buffett may be making more investment decisions than previously thought.