Hamilton, Bermuda – February 9th 2026 – Arcadian Risk Capital (“Arcadian” or the “Company”), a fast-growing, specialty managing general agent (“MGA”) with operations in Bermuda, Ireland, the United Kingdom, and the United States, announced the appointment of Mark Butler as Executive Vice President to lead the Company’s expansion into the U.S. Management Liability (“ML”) market. In connection with the appointment, Arcadian has secured Lloyd’s coverholder status and multi-year capacity to support the expansion.
Mark Butler joins Arcadian with all underwriting agreements in place and has commenced underwriting. Based in New York, Mark brings an impressive underwriting track record and will head up Arcadian’s mid–market ML initiative. The program will focus on both primary and excess placements, including blended cover structures.
Mark joins from Amtrust where he was head of AmTrust Exec, with responsibility for Specialty Lines ML. Prior to that, he was instrumental in the build out of Specialty Lines ML at Euclid.
John Boylan, Chief Executive Officer of Arcadian, said: “We are pleased to announce the appointment of Mark Butler. He is a consummate professional with a strong track record of disciplined underwriting and market-leading results. This initiative complements Arcadian’s existing product offerings and further strengthens the Company’s specialty underwriting platform.”
Commenting on his appointment, Mr. Butler said: “I am pleased to be joining Arcadian, a dynamic and expanding platform supported by experienced underwriting professionals and a strong commitment to bottom line integrity. We have secured high-quality carrier support for this product line and look forward to executing in accordance with our strategic plan.”
This launch marks the next step in the evolution of the Arcadian platform, which announced in October 2025 it had entered a strategic partnership with Lee Equity Partners, LLC (“Lee Equity”), a growth-oriented, middle-market investment firm specializing in investments in the financial and healthcare services sectors.
Arcadian has expanded rapidly since its founding in 2020 into a leading, global MGA. The Company underwrites several specialty classes of business across general liability, professional liability, and property insurance lines. Arcadian has built an underwriting-centric business, combining strong technical expertise, a disciplined approach to risk selection and intentional portfolio construction to deliver long-term value to its carrier, insured and broker partners. Now entering its sixth year of operation, the Company is approaching $2.0 billion of aggregate gross written premium generated on behalf of its carrier partners.
About Arcadian Risk Capital
Arcadian Risk Capital is a global speciality managing general agent (MGA) offering underwriting-led solutions for complex risks. We are client-focused, with a team of dedicated and highly experienced underwriters who have consistently. demonstrated the ability to build and manage portfolios of risk throughout the insurance cycle. Innovation and client service are at the core of our business model. Founded and led by John Boylan, Arcadian is headquartered in Bermuda, with operating entities in Bermuda, Ireland, the United Kingdom, and the United States.