Berkshire Hathaway CFO to leave amid leadership shakeups

Core Insights - Warren Buffett announced his decision to step down as CEO of Berkshire Hathaway at the end of the year, marking a significant transition for the company [3] - Greg Abel, currently the chairperson of Berkshire Energy, has been named as the incoming CEO, a move that follows Buffett's earlier identification of Abel as his successor in 2021 [3][5] - The leadership changes also include the retirement of longtime CFO Marc Hamburg, who has served for over 40 years, with Charles Chang set to take over as corporate CFO in June 2026 [5] Leadership Transition - Buffett has expressed confidence in Greg Abel's capabilities, stating that Abel has exceeded expectations and possesses a deep understanding of the company's operations [4] - Hamburg's retirement is planned for 2027, and he has been a key figure in Berkshire's financial leadership since becoming CFO in 1992 [5] - The leadership changes are part of a broader restructuring within Berkshire's corporate team, affecting both non-insurance and insurance operations [5]