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Graham Russell Mitchell OBE, CB (4 November 1905 – 19 November 1984), was an officer of MI5, the British Security Service, between 1939 and 1963, serving as its deputy director general between 1956 and 1963.
In April 2020, McCallum succeeded Sir Andrew Parker as Director General of MI5. [6] [3]In 2021, McCallum said in his annual threat update that the activities of China, Russia, and other hostile states could have as large an impact on the public as terrorism, marking a significant shift in emphasis for the UK’s domestic spy agency.
In 2005, he became Deputy Director General. [9] In March 2007, he was announced as the next Director General of MI5, in succession to Dame Eliza Manningham-Buller. [9] He took up the post in April 2007. [10] In November 2007, he talked publicly about the threat the UK faces from digital espionage. [11] He spoke at RUSI on National Security in ...
The Director General of the Security Service is the head of the Security Service (commonly known as MI5), the United Kingdom's internal counter-intelligence and security agency. The Director General is assisted by a Deputy Director General and an Assistant Director General, and reports to the Home Secretary , although the Security Service is ...
Some in MI5 concluded the Soviets had an agent in a very senior position within the organisation. Peter Wright, Arthur S. Martin, Jane Sissmore and others became convinced that either Hollis or his deputy, Graham Mitchell, could be the only ones responsible, eventually confiding their suspicions to Dick White, director general of MI6. White ...
Having been promoted to the management board of the Security Service the next year, Manningham-Buller became the director in charge of surveillance and technical operations. She was appointed Deputy Director General in 1997, and succeeded Sir Stephen Lander as Director General in 2002, the second woman to take on the role after Dame Stella ...
The Secret War Between the Wars: MI5 in the 1920s and the 1930s. Bowyer. ISBN 978-1-84383-938-5. Rimington, Stella (2001). Open Secret: The Autobiography of the Former Director-General of MI5. Hutchinson. ISBN 978-0-09943-672-0. Thomas, Martin (2008). Empires of Intelligence: Security Services and Colonial Disorder after 1914. University of ...
In her previous Director General role, Keast-Butler was Director General Strategy, leading the enabling functions that support MI5’s operational activities. [ 1 ] Prior to this, Keast-Butler spent two years on secondment to GCHQ as Head of Counter Terrorism and Serious Organised Crime and has also spent part of the last decade on secondment ...