Who are the key executives running Berkshire Hathaway’s $1 tn-plus empire?

Warren Buffett has stepped down as chairman of Berkshire Hathaway, the $1 trillion-plus conglomerate, with his son Howard Buffett taking over the role and Greg Abel serving as CEO. Abel was named CEO by Buffett in May 2025, while Ajit Jain serves as vice chairman, overseeing insurance operations. Adam Johnson heads NetJets and Berkshire's consumer products, services and retail businesses.