Markel announces Bob Cox, President and COO, will leave the company at the end of 2023; company provides update on leadership structure

RICHMOND, Va., Nov. 30, 2023 /PRNewswire/ — Markel, the insurance operations within Markel Group Inc. (NYSE: MKL), announced today that Bob Cox, President and Chief Operating Officer, Global Insurance Operations, will be leaving his role December 31, after five years leading successful,…