Shaun was previously Head of Placement & Distribution and Chief Operating Officer of Guy Carpenter’s International & Global Specialties divisions. Prior to this Shaun held various roles at Willis Re including Managing Director, Global Head of Sales & Client Management. Shaun joined the insurance industry from Goldman Sachs where he worked in London & Hong Kong.

His appointment aligns with Miller’s growth plans and accelerated reinsurance buildout. Shaun will lead the expansion of Miller’s reinsurance offering, deployment of innovative data driven approaches and enhanced strategic advisory capabilities. Miller has made a number of senior reinsurance appointments over the past 18 months in Bermuda, London and APAC, including the build out of a new APAC treaty reinsurance team. In his new role, Shaun will also support the business’ broader international strategy, following the formation of Miller International at the start of 2023.

James Hands, CEO commented: “We have a clear strategy to grow our reinsurance footprint in areas where it aligns with both client needs and our ambitious strategy. I’m delighted to be welcoming Shaun to the team as part of this. His wealth of experience will be invaluable as we continue to build out the reinsurance part of our business. Since 2022, Miller has launched 12 new teams and welcomed over 200 new employees. Bringing in experts such as Shaun will allow us to accelerate this exciting trajectory and bolster our specialty offerings.”

Shaun Sinniah said: “It’s an incredibly exciting time to join Miller, particularly as the organisation evolves towards becoming the long-term, trusted and stable advisor that clients are seeking. My focus will be on crafting solutions that not only meet, but anticipate the evolving needs of our clients, backed by Miller's enviable service excellence and our long-term vision for sustainable growth.”