Katie Costello – Biography

Last update: December 19, 2025

Executive profile

Katie was Marine Hull Underwriter at Axa Corporate Solutions, and Account Executive at Marketforce Business Media. Katie Costello joined Markel in 2017. Katie served as Marine Hull and War Underwriter and Marine Hull and War Senior Underwriter for Markel.

Katie Costello is currently

Head of Hull and War at Markel UK - View - Markel UK org chart



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Education

In 2011, Katie Costello completed a Degree in Business Studies, Business Administration and Management at University of Portsmouth.

They have also studied at University of Portsmouth :

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The colleagues of Katie Costello

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  • In the Insurance industry, Katie Costello has 69,240 colleagues in 3,978 companies located in 106 countries. 20,974 executive movements have been recorded in the last 12 months. Learn more about Insurance.

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Get in Touch

Here are a few tips for establishing great contacts.

Through the switchboard, call Markel UK at +44 207... and ask for Katie Costello.

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