Markel Insurance, the insurance operation within Markel Group Inc., announced the appointments of Dean Johnson as Head of Transport & Logistics and Rhys O'Neill as Head of Marine Liability, following the establishment of Markel International's new Marine Transportation business. The new unit brings together leadership across Hull & Hull War, MECO, Marine and Energy Liabilities, and Transport & Logistics to give brokers more coordinated access to specialist underwriting expertise. Johnson, who joined Markel in 2025 as Senior Underwriter for Transport & Logistics after 14 years at Travelers, will lead sustainable expansion of the Transport & Logistics portfolio, overseeing risk assessment and pricing and providing strategic direction for the underwriting team. O'Neill, who joined Markel International two years ago as Senior Underwriter for Marine & Energy Liability and brings more than 15 years of liability underwriting experience across Lloyd's Syndicates and P&I Clubs, will lead the Marine Liability strategy to drive profitable growth across the M&E portfolio. Both will be based in London and report directly to Grant Smith, who was appointed Director of Marine Transportation earlier this year.
Markel CorporationMarkel International established a new Marine Transportation business and named two senior underwriting leaders to drive profitable growth.
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