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Berkshire Hathaway CFO Marc Hamburg to retire; Todd Combs exits GEICO for JPMorgan

Todd Combs will lead JPMorgan’s $10 billion Strategic Investment Group, focusing on U.S. economic security industries as Berkshire reshapes leadership ahead of Buffett’s retirement.

  • On Monday, Berkshire Hathaway announced Greg Abel as CEO successor and launched a leadership overhaul centralizing authority with new roles like general counsel and president for consumer, service and retail units, as Abel assembles his team starting in January.
  • As Warren Buffett prepares to step down at the end of 2025, Berkshire's decades-long decentralized model that relied on his judgment will shift with governance changes and expected turnover in coming months.
  • Michael J. O’Sullivan, new SVP and general counsel, will join Berkshire as of Jan. 1, and Charles C. Chang will succeed him as SVP and CFO on June 1, 2026.
  • Shares fell more than 2% on Monday after the leadership announcements, with KBW downgrading Berkshire and UBS expecting Ted Weschler to manage the public equity portfolio.
  • Analysts expect more turnover in coming months as Shields said, `All else equal, we think competing with the remarkable brain trust at PGR requires a full-time CEO`.
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64 Articles

Associated Press NewsAssociated Press News
+10 Reposted by 10 other sources
Lean Left

Top manager leaves Warren Buffett's Berkshire as incoming CEO names team

Incoming Berkshire Hathaway CEO Greg Abel is assembling his team to help him lead the conglomerate Warren Buffett built starting in January after a couple of key departures.

·United States
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Sydney Morning HeraldSydney Morning Herald
+4 Reposted by 4 other sources
Lean Left

Warren Buffett’s protege makes shock switch to Wall Street rival

Warren Buffett’s $US1 trillion conglomerate Berkshire Hathaway has been dealt a blow just weeks before the 95-year-old retires.

·Sydney, Australia
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Post Register broke the news in on Monday, December 8, 2025.
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