Hamilton Insurance Group Ltd., a Bermuda-based insurer and reinsurer, has announced the appointment of Sinead Cormican as Chief Underwriting Officer (CUO) at Hamilton Global Specialty, its London-based underwriting platform.
Cormican succeeds Miles Osorio, who will retire at the end of June 2026 after more than a decade at Hamilton.
In her new role, Cormican will report to Alex Baker, Chief Executive Officer of Hamilton Global Specialty, and will continue in her current role as Active Underwriter of Syndicate 4000, alongside her responsibilities as CUO.
She brings more than 25 years of insurance industry experience, with deep technical expertise, strong market insight, and a proven track record of leadership.
Cormican has spent the past decade at Hamilton, where she has played a key role in the development of the Hamilton Global Specialty underwriting platform. She has served in her current role as Active Underwriter since April 2025.
Prior to Hamilton, she served as a Property Underwriter at Hardy Underwriting Group Limited and ACE Bermuda International.
Hamilton also announced the appointment of Richard Northcott as Head of Business Development Strategy at Hamilton Global Specialty, in addition to his current role as Head of Marine and Energy.
In this expanded role, Northcott will report to Baker and lead strategic business development initiatives across all Hamilton Global Specialty classes of business, focusing on strengthening broker and client relationships and enhancing the company’s market offering.
Baker said, “Sinead’s appointment reflects the depth of talent within Hamilton and the strength of our succession planning. Her continued exceptional contributions, leadership and deep understanding of our platform make her exceptionally well placed to lead our underwriting organisation. I am confident she will continue to build on the platform’s success as Chief Underwriting Officer.
“At the same time, Richard’s expanded role underscores our continued focus on strategic growth and long-term client and broker partnerships.
“Miles’ contributions have been instrumental in shaping the business we have today at Hamilton Global Specialty. It has been a privilege to work with him, and I am immensely proud of what our talented team has achieved over the past decade together with his leadership. I wish him a happy and healthy retirement following an impressive three decades serving the industry.”
