Aspen Appoints Mariza Costa as Head of Investor Relations
Hamilton, Bermuda, July 1, 2025 — Aspen Insurance Holdings Limited (“Aspen”) (NYSE: AHL) has appointed Mariza Costa as Head of Investor Relations. Mariza brings more...
Aspen Appoints John Welch as Group Chief Underwriting Officer
Aspen Insurance Holdings Limited (“Aspen”) (NYSE: AHL) has appointed John Welch as Group Chief Underwriting Officer.
John brings over 30 years of experience in executive roles across global players including at AXA XL and XL Catlin Group, and originally joined Aspen as Chief Underwriting Officer, Reinsurance in June 2023.
In his new role, which is effective August 1, 2025, John will report into Group President and CEO, Aspen Bermuda Limited, Christian Dunleavy, and will be responsible for the oversight, development and execution of Aspen’s underwriting strategy across the Group.
Christian Dunleavy said, “John’s promotion reflects his broad and deep expertise and experience and further strengthens the underwriting and leadership capabilities that underpin Aspen’s continued success and our ability to serve our customers, trading partners and investors alike.”
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