Guy Carpenter announces GC Access appointments and expansion of capabilities

Press Release

New York, October 18, 2022 – Guy Carpenter, a leading global risk and reinsurance specialist and a business of Marsh McLennan (NYSE: MMC), announced today that it has expanded its capabilities in the delegated authority arena, with its GC Access team gaining three new hires and forming a new collaboration with Guy Carpenter’s Ratings Advisory Service.  

Bryan Willingham, Alex Donkervoet and Nate Palmer have joined the GC Access team in the roles of Managing Director and Co-Head of the Southwest Region, Senior Vice President and Co-Head of the Southwest Region, and Assistant Vice President, respectively. Each will report to Matt Petka, President of GC Access North America.

Mr. Willingham brings more than 19 years of reinsurance experience, most recently specializing in placing treaty reinsurance for workers compensation and property and casualty insurers, and MGA programs across the US. Mr. Donkervoet has over 15 years of actuarial, reinsurance, product, underwriting and operations experience. Mr. Palmer most recently worked as a commercial lines wholesale broker specializing in financial lines and cyber coverage.

The GC Access team will work in collaboration with Doug Ostermiller, Managing Director, Guy Carpenter’s Ratings Advisory Service team, which advises clients on new and existing rating assignments as well as capital optimization, financial forecasting, stress testing and peer benchmarking. Mr. Ostermiller will assist clients in engaging A.M. Best for the purpose of obtaining a Performance Assessment for their delegated underwriting authority enterprises (DUAEs).

“We are excited to add strategic rating advisory services and welcome three highly talented new members to the GC Access team,” said Mr. Petka. “The diverse experience and specialist skills Bryan, Alex and Nate bring, in addition to Doug’s ability to facilitate A.M. Best DUAE Performance Assessments, further expand the scope of solutions Guy Carpenter offers to help clients excel, and reinforce our commitment to deliver a best-in-class solution to the MGA space.”

Guy Carpenter launched GC Access in 2020 as a dedicated offering to help clients capitalize on Managing General Agent (MGA) solutions in the rapidly expanding delegated authority market. The practice provides fully integrated and bespoke services in business planning, program carrier selection, capital advisory and modeling via a network of colleagues in North America, Canada, and the UK.



Guy Carpenter, Marsh McLennan, MMC, GC Access, MGA, program, Matt Petka, Bryan Willingham, Alex Donkervoet, Nate Palmer, Doug Ostermiller


About Guy Carpenter

Guy Carpenter & Company, LLC is a leading global risk and reinsurance specialist with 3,400 professionals in over 60 offices around the world. Guy Carpenter delivers a powerful combination of broking expertise, trusted strategic advisory services and industry-leading analytics to help clients adapt to emerging opportunities and achieve profitable growth. Guy Carpenter is a business of Marsh McLennan (NYSE: MMC), the world’s leading professional services firm in the areas of risk, strategy and people. The Company’s 83,000 colleagues advise clients in 130 countries. With annual revenue of over $20 billion, Marsh McLennan helps clients navigate an increasingly dynamic and complex environment through four market-leading businesses including Marsh, Mercer, and Oliver Wyman. For more information, visit www.guycarp.com and follow us on LinkedIn and Twitter.

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