Good morning. CFO turnover continues in the Fortune 500, and now it’s reached one of the most watched companies in American business: Berkshire Hathaway.
Marc Hamburg, the longtime SVP and CFO at Berkshire, will retire on June 1, 2027, after 40 years of service, the massive American conglomerate and holding company announced on Monday. Hamburg, who joined Berkshire in 1987, will be succeeded by Charles C. Chang, who was appointed SVP and CFO effective June 1, 2026. Chang is currently SVP, CFO, and director of Berkshire Hathaway Energy. He will work with Hamburg during a transition period.
These leadership changes come as legendary investor Warren Buffett prepares to step down as CEO at the end of the year. Berkshire announced in May 2025 that Buffett will be succeeded by Greg Abel, vice chairman of its non-insurance operations. Buffett will remain with the company as chairman of the board after the transition.
Having worked with Hamburg for decades, Buffett praised him in a statement: “Marc has been indispensable to Berkshire and to me. His integrity and judgment are priceless. He has done more for this company than many of our shareholders will ever know. His impact has been extraordinary.”
