Reinsurance News

Gallagher Re promotes Tsimaratos and Ntelekos

19th March 2026 - Author: Kassandra Jimenez-Sanchez -

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Global reinsurance broker Gallagher Re has announced the promotion of Alkis Tsimaratos to President, International, and Alex Ntelekos to leader of International Products and Practices.

gallagher-re-logoIn his new role, Tsimaratos will focus on deepening senior client relationships across international markets, matching reinsurance solutions to clients’ evolving needs across Gallagher Re’s International network.

Prior to his promotion, the executive was Managing Director for Gallagher Re International Products & Practices. Before that, he served as Managing Director- Head of EMEA WS.

Tsimaratos also spent almost 17 years at Willis Re, where he held a number of different positions, as well as eight years at AXA Re.

Ntelekos, in addition to his new position, will maintain his regional leadership for Turkey and Greece, while also overseeing and supporting the company’s Products and Practices platform across the network.

Ntelekos has been part of Gallagher Re since 2022, having joined the company’s Head of Public-Private Solutions, EMEA.

Prior to Gallagher, the executive spent 11 years at the Bank of England, and was part of Willis Re for two years before that.