Tristan Breijer is a government relations and public affairs advisor based in London. He joined Checkmate Government Relations, a Washington-headquartered government relations firm, in 2026 to establish its first European office, and leads the firm's UK and EU practice. His work centres on helping clients navigate regulatory and political processes across the United Kingdom, the European Union and international institutions, with particular experience in defence and security, natural resources, trade and export control, and environmental regulation.
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