RICHMOND, Va., Feb. 26, 2024 /PRNewswire/ -- Markel Group Inc. (NYSE: MKL) announced that Mike Heaton will become Executive Vice President and Chief Operating Officer effective today. In this expanded role, he will oversee the day-to-day operations of the holding company and continue developing the system that supports Markel Group's family of companies. Heaton has a substantial track record supporting the businesses in Markel Group. Most recently, he was Executive Vice President, where he led the transform ...