Markel, the insurance operations within Markel Group Inc. announced that Bob Cox, President and Chief Operating Officer, Global Insurance Operations, will be leaving his role December 31, after five years leading successful, profitable growth strategies for the company's global insurance operations. Cox joined Markel in 2018 to oversee Markel's global insurance operations its Markel Specialty and Markel International divisions. Prior to joining Markel, he held executive leadership insurance positions, including extensive experience in all areas of specialty and commercial property and casualty insurance.

With Cox's departure, its Markel Specialty and International insurance divisions will report directly to Noble. Simon Wilson, President Markel International, Alex Martin, President, Markel Specialty, and Bryan Sanders, Chairman, Markel Specialty, will report to Noble effective December 31.