Blaise Metreweli | |
|---|---|
| 18th Chief of the Secret Intelligence Service | |
| Assumed office 1 October 2025 | |
| Prime Minister | Keir Starmer |
| Preceded by | Richard Moore |
| Personal details | |
| Born | Blaise Florence Metreweli |
| Nationality | British |
| Education | Pembroke College, Cambridge |
| Occupation | Intelligence officer |
Blaise Florence Metreweli is a British intelligence officer. Since 1 October 2025, she has been the chief of MI6, the United Kingdom's foreign intelligence service .
She is the first woman to lead MI6 since it was founded in 1909.
Metreweli studied anthropology at Pembroke College, Cambridge , part of University of Cambridge.
Metreweli joined MI6 in 1999. She worked as an intelligence officer in the Middle East and Europe. She also held a senior position at MI5, the United Kingdom's domestic security service.
She later became the director general of technology and innovation at MI6. This position was known as "Q".

In June 2025, Prime Minister Keir Starmer announced that Metreweli would become the next chief of MI6. She succeeded Richard Moore on 1 October 2025, becoming the 18th chief of the service.
The chief of MI6 is known as "C". The chief is responsible for the work of the agency and reports to the British foreign secretary.