LONDON, May 14, 2025  /PRNewswire/ -- Markel Insurance, the insurance operations within Markel Group Inc. (NYSE:MKL), today announced that it has made two key appointments to drive further profitable growth across its International War and Terrorism portfolio.In his new position as Senior Underwriter – War and Terrorism, Joshua Watson will be responsible for identifying and underwriting complex risk across the organisation's Stand-Alone Terrorism, Terrorism Liability, Strikes, Riots and Civil Commotion (SRC ...