Mark Shilton - Managing Partner

Mark Shilton, an associate of the Chartered Insurance Institute, has worked for over 50 years in insurance and reinsurance. He began his career with a Lloyd’s broker in London and underpinned its development when he joined CECAR, at the time the third top French broker, which later, following substantial M & A activity became the French subsidiary of Marsh, where he acted as Managing Director of International and Reinsurance.

Working on the largest international commercial and industrial accounts, throughout Europe, USA and Asia for over ten years, Mark also directed the operations of the Groupement de Réassurance Français, later acquired by Guy Carpenter France (MMC Group), before creating his own company MSI in 1996.

Anticipating the needs of an evolving insurance and reinsurance industry undergoing major consolidation and reorganization, Mark concentrated his efforts on developing a speciality wholesale broking entity dealing in the placement of excess and surplus-lines business in London and European markets.

Following and pre-empting the evolution of the market, MSI diversified its product lines, currently a major player in the Affinity market arena.


James Wiseman – Partner

James Wiseman is an MBA graduate, an associate of the Chartered Insurance Institute, and has worked within the industry for over 20 years.

James started his career as an Underwriting and Placement Project Manager at Homeserve PLC, before being hired by key players such as AIG, Marsh Affinity and ACE European Group in Senior consultancy and underwriting positions, enabling him to gain an extensive wealth of expertise in ancillary personal lines insurance products. James was Director of Pricing and Risk Management with Asurion Europe and Managing Director of Volcan Underwriting Ltd.

James works with MSI on all financial aspects of the insurance programs underwritten by the Insurance companies that have selected MSI to represent them in France. 


Gilles Boizard – Sales & Marketing Director

With over 20 years experience in the insurance market, as a wholesale broker and Coverholder at Lloyd's, Gilles joined MSI in July 2022 as Director of Sales & Marketing. With his extensive network of insurers, reinsurers and insurance brokers, as well as his expertise in IT systems and InsurTech companies, Gilles develops relationships with brokers and distribution partners that align with the MSI philosophy of producing sustainable and profitable business for our insurance partners.

Gilles is bilingual (English) and focuses on overseeing the technical underwriting performance and results, along with future business development at MSI.

Nathalie Petit Jean Boret – Technical Account: General Manager

A graduate from the EDC Paris and the London Chamber of Commerce and Industry, Nathalie has worked in insurance and reinsurance for over 35 years.

Bilingual, Nathalie is a named Underwriter on MSI Lloyd’s Property Binder and is in charge of MSI’s Back Office, statistical analysis, premiums and claims through put systems, which she manages with full-on stewardship and speedy settlements to clients and insurance partners.