Sir Mark Sedwill

Sir Mark Sedwill is a British diplomat and former civil servant who has held several high-ranking positions, including National Security Advisor and Cabinet Secretary. He played a key role in advising the UK government on national security, foreign policy, and Brexit negotiations. Known for his expertise in international relations, he has also served as the UK's ambassador to Afghanistan and as an international envoy. His work involves coordinating government efforts on security issues, diplomacy, and policy strategies to protect the country's interests.