Markel International appoints James Howell as Senior War and Terrorism Underwriter

London, 18 December, 2025 – Markel Insurance, the insurance operation within Markel Group Inc. (NYSE:MKL), today announced the appointment of James Howell as Senior War and Terrorism Underwriter, effective immediately.

In his new role, Howell will be responsible for maintaining and developing underwriting policies, as well as key broker relationships. He’ll collaborate with the organisation’s Management, Claims, Actuarial and Product Development departments, ensuring clients continue to receive best-in-class coverage, while driving further profitable growth across the War and Terrorism portfolio.

Howell will also mentor and lead on War and Terrorism product line-specific training for underwriters, sustaining the team’s exceptional underwriting standards and approach, which is highly valued by brokers and clients.

Howell will be based in London, reporting to Chloe Gordge, Head of Terrorism - London at Markel International.

Gordge commented: “We’re thrilled to welcome James to our War and Terrorism team in London. His appointment comes at a pivotal time for the war and terrorism market, where rising geopolitical tensions are driving increasingly complex threats and client demand. James’s strong track record in the Terrorism and Political Violence (PV) underwriting space will be invaluable as we continue to deliver first-class results for our clients, who are navigating an increasingly volatile geopolitical environment.”

Howell brings with him extensive expertise, following nearly a decade of Terrorism underwriting experience at AXIS Capital, where he was employed as Senior Underwriter for Terrorism and Political Violence. Prior to joining AXIS, he was an Exposure Analyst at Argenta Group for two years within the Terrorism and Cargo and Specie sub-teams, beginning his career in the Lloyd’s market.