Greg Abel

About the author

Greg Abel is president and chief executive officer of Berkshire Hathaway, succeeding Warren Buffett in January 2026, and wrote his first annual letter to shareholders that February. Born in Edmonton and trained as an accountant at the University of Alberta, he started at PricewaterhouseCoopers, joined the power producer CalEnergy in 1992 and became CEO of MidAmerican, later Berkshire Hathaway Energy, in 2008. He was vice chairman for Berkshire's non-insurance businesses from 2018.

Photo: Tankforwin, CC BY-SA 4.0, via Wikimedia Commons

Memos, letters and research

All research

Berkshire Hathaway Shareholder Letters Berkshire

Essential

Warren Buffett's annual letters to Berkshire shareholders from 1977 to 2024, free on Berkshire's own plain website. They are the best course on capital allocation, insurance float and owner-minded investing ever written.

Letters Foundational Annual, each February or March; Buffett letters 1977 to 2024, Greg Abel from the 2025 letter on