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Warren Buffett — official portrait

Perimeter People / Chairman Emeritus and Director, Berkshire Hathaway

Warren Buffett

Warren Buffett is chairman emeritus and a director of Berkshire Hathaway, following the leadership transition announced on September 18, 2026. He led Berkshire from 1965 and helped turn it into a diversified business spanning insurance, rail transportation, energy, manufacturing, and retail. His shareholder letters explain capital allocation, business quality, incentives, and long-term ownership. Greg Abel now serves as CEO, while Howard G. Buffett has succeeded him as chairman of the board.

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Profile checked September 18, 2026. Editorial notes are Perimeter’s interpretation.