John Willemsen

John Willemsen currently serves as the Executive Vice President and a member of the Board of Directors at Accelerant National Insurance Company through Mission Underwriting Managers, LLC. With extensive experience in the PA/MGA business, John has held significant leadership roles in various firms, including Head of Distribution at Accelerant, where responsibilities included the growth of profitable business across the US and leveraging global distribution. Prior to that, John was the Head of Programs and Chief Business Development Officer at Arch Insurance Group, producing substantial PA/MGA program business and creating a new platform for Arch Re. John's career also includes a Vice President position at Munich Re, where contributions significantly enhanced the company’s profile in the PA/MGA market. Additionally, John founded Advantage Risk Management Services, focusing on public entity business, and served as Underwriting Manager at Selective Insurance.