Why She Made the List
As head of MI6, she oversees intelligence operations abroad and works closely with allied intelligence services including the United States and Five Eyes partners.
Her leadership comes at a time of escalating geopolitical tensions including Russia’s war in Ukraine and increasing instability in the Middle East, placing her at the centre of the UK’s global intelligence strategy.
Summary Bio
Blaise Metreweli is Chief of the Secret Intelligence Service (MI6), the United Kingdom’s foreign intelligence agency, and became the first woman to lead the organisation when she assumed the role in 2025.
Metreweli has spent her career within the British intelligence community, holding a series of senior operational roles prior to becoming Chief.