Berkshire appoints new CFO as analysts warn of more executive departures

Core Insights - Berkshire Hathaway is experiencing significant leadership changes with the retirement of CFO Marc Hamburg and the upcoming transition of CEO Warren Buffett [2][3] Leadership Changes - Marc Hamburg, the CFO of Berkshire Hathaway, will retire on June 1, 2027, after 40 years with the company, and will be succeeded by Charles C. Chang, effective June 1, 2026 [2] - Charles C. Chang is currently the CFO and director of Berkshire Hathaway Energy and will work alongside Hamburg during a transition period [2] - Warren Buffett is set to step down as CEO at the end of the year, with Greg Abel taking over the role [3] Background of Key Individuals - Marc Hamburg has been a crucial figure at Berkshire, praised by Buffett for his integrity and judgment [4] - Greg Abel has been with Berkshire for 25 years and has significantly expanded Berkshire Hathaway Energy since becoming its CEO in 2008 [5] - Charles C. Chang brings 34 years of experience in accounting and has previously worked with large multinational energy companies [6] Market Expectations - Analysts anticipate further turnover in leadership roles at Berkshire Hathaway, emphasizing that change is inevitable as long-serving executives transition out [7]