95岁巴菲特正式退休，卸任伯克希尔-哈撒韦首席执行官，63岁阿贝尔接棒，两人风格大有不同

Core Viewpoint - Warren Buffett officially retired as CEO of Berkshire Hathaway on December 31, 2025, after a long tenure, but will continue as chairman of the board and retain a significant stake in the company [1][3]. Group 1: Retirement Announcement - Buffett, aged 95, announced his retirement in a letter to shareholders on November 10, 2025, stating that he would no longer write the annual letter or speak at the shareholder meeting [3]. - He plans to hold onto his Class A shares until investors are satisfied with his successor, Greg Abel, who will take over as CEO in January 2026 [3]. Group 2: Succession Planning - Greg Abel, 63, has been designated as Buffett's successor for many years and is known for his cautious and detail-oriented management style, contrasting with Buffett's more hands-off approach [6]. - Buffett's long-time partner, Charlie Munger, has endorsed Abel as the most suitable successor, suggesting that Abel may excel in areas where Buffett is less proficient [6]. Group 3: Philanthropic Efforts - Buffett has donated over $60 billion to various charities since 2006 and has revised his will to allocate 99.5% of his assets to a charitable foundation managed by his three children after his passing [4]. - On the same day as his retirement announcement, Buffett donated 2.7 million shares of Berkshire Hathaway Class B stock, valued at approximately $1.3 billion, to four family foundations [3][4].