For six decades, Berkshire Hathaway was Warren Buffett. As of this year, it isn't — at least not in the corner office. The transition the investing world spent years anticipating is now real, and the story has shifted from whether Berkshire changes to how.

The handover

Greg Abel became president and chief executive of Berkshire Hathaway on January 1, 2026, after the board voted in May 2025 to make him Buffett's successor, as PBS reported. It is the first change in Berkshire's chief executive since Buffett took control of the then-struggling textile maker in 1965 and rebuilt it into one of the world's largest companies.

Crucially, Buffett has not left. He remains chairman of the board, a presence and a backstop rather than the day-to-day operator. That arrangement is the single most important fact for investors trying to read the new era: Abel runs the company; Buffett's philosophy still watches over it.

Who Greg Abel is

Abel is not a Wall Street financier but an operator. He built his reputation running Berkshire Hathaway Energy, the sprawling utilities arm, and in 2018 was elevated to vice chairman for all non-insurance operations — effectively chief operating officer of the conglomerate's vast collection of businesses, as Britannica's profile notes. That background matters: where Buffett was famous as a capital allocator and stock-picker, Abel's pedigree is in running things.

What might change — and what won't

The heart of Berkshire is its decentralized model: dozens of wholly owned businesses — insurance, railroads, energy, manufacturing, retail — run by their own managers with minimal interference from Omaha, funded by a famously large cash pile and the "float" from its insurance operations. Abel has signaled he intends to preserve that culture rather than impose a corporate machine on it.

Where analysts expect an evolution is at the edges:

  • Operations and accountability. An operator's instinct is to press underperforming units harder than a hands-off investor might. Watchers expect Abel to be more actively engaged with the subsidiaries' results.
  • Capital allocation. This is the biggest open question. Buffett's genius was deciding where Berkshire's cash went — which stocks to buy, which companies to acquire. Abel now shoulders that decision, and investors are weighing how his approach differs, a question CNBC has flagged as central to the transition. He has Buffett as chairman to consult, but the call is his.
  • The enormous cash balance. Berkshire has sat on a mountain of cash awaiting opportunities. How quickly and where Abel deploys it will define his early tenure.

Why it matters

For Berkshire's shareholders, this is a genuine inflection point: a company whose identity was fused with one investor's judgment is now being run by someone else, and the market is pricing the uncertainty that comes with it. For the broader market, Berkshire is both a bellwether and a huge owner of American businesses and stocks; how its new chief allocates capital ripples outward. And for the study of corporate succession, it is a case study in the hardest kind of handover — replacing a founder-legend without breaking what made the company work.

Boursel gives no investment advice. The measured read is that Berkshire's machinery — decentralized, cash-rich, insurance-funded — is built to outlast any one person, and Abel's task is less to reinvent it than to prove it still runs without the name that built it. The early chapters of that test are being written now.