Gregory Edward Abel is a Canadian-American businessman appointed to become the President and Chief Executive Officer of the American multinational conglomerate Berkshire Hathaway in January 2026. This succession follows Warren Buffett's announced retirement in late 2025, with Buffett confirming Abel as his successor in a May 2021 interview. Abel's career trajectory within the Berkshire Hathaway ecosystem began with his leadership at CalEnergy, a geothermal electricity producer he joined in 1992.