Thomas S. Gayner to become sole Chief Executive Officer of the Markel Corporation on January 1, 2023

RICHMOND, Va., Nov. 16, 2022 /PRNewswire/ --Markel Corporation (NYSE: MKL) announced today that Thomas S. Gayner, Co-Chief Executive Officer, will become sole Chief Executive Officer upon the retirement of Richard R. Whitt III, Co-Chief Executive Officer, on January 1, 2023.