Reinsurance News

AM Specialty Insurance adds former AM Best CEO Matt Mosher to its Board

20th April 2026 - Author: Saumya Jain -

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AM Specialty Insurance Group (ASIG), a global provider of specialty insurance solutions, has appointed Matt Mosher to its Board of Directors.

AM Specialty Insurance Group logoThis appointment aligns with the insurer’s long-term growth plan as it continues to focus on enhancing its governance framework and aligning experienced industry leadership with its underwriting-first approach.

Mosher spent nearly three decades at AM Best, latterly as President and Chief Executive Officer (CEO).

During his tenure at AM Best, he held several senior leadership roles, including Executive Vice President and Chief Operating Officer, Chief Rating Officer, and CEO of AM Best America Latina.

In these roles, he oversaw global rating operations across international markets. As a recognised leader in insurance and credit rating methodologies, Mosher played a central role in developing and advancing AM Best’s Capital Adequacy Ratio (BCAR) model, a framework used to assess insurer financial strength.

He also contributed to the evolution of rating methodologies by integrating innovation-based assessments, further strengthening the analytical rigour of the rating process. Currently, Mosher serves in several advisory and board roles across the insurance sector.

Shevawn Barder, Group CEO, AM Specialty Insurance Group, commented, “Matt’s appointment to our Board represents a significant addition to the Group.

“With his background in the industry and understanding of carrier performance & disciplined underwriting, Matt will be instrumental in supporting our long-term strategy.”