MI5 - Security Service

Director General

MI5 is headed by the Director General, currently Andrew Parker. The role of the Director General was set out in the Security Service Act 1989.

Director General Andrew Parker.Andrew Parker, Director General of the Security Service

He is personally responsible for:

  • the operations and efficiency of MI5;
  • making an annual report on our work to the Home Secretary and the Prime Minister;
  • ensuring that we are politically impartial; and
  • ensuring that we obtain and disclose information only in accordance with our statutory responsibilities.

We also disclose information for the purpose of the prevention or detection of serious crime, or for the purpose of any criminal proceedings. In discharging these responsibilities, the Director General is assisted by internal mechanisms designed to ensure that our work abides by the principles that:

  • the rule of law is paramount; and
  • methods of investigation must be proportionate to the threat and their use properly authorised.

Andrew Parker, the current Director General

Andrew Parker is the current Director General of MI5. He is the seventeenth Director General to have headed MI5 since the post was created in 1909 (see former Directors General for a list of his predecessors).

Andrew is a career MI5 officer with over 30 years of professional experience in a wide range of national security and intelligence work, including in the fields of international terrorism, counter-espionage, Northern Ireland terrorism, serious and organised crime, protective security, policy and strategic planning. He also completed a liaison posting in the United States in 1991.

He spent three years on secondment to HM Customs & Excise as Director Intelligence before returning to the Service in 2002 to join the Board as Director for Northern Ireland terrorism, Protective Security and Serious Crime. He was appointed Director International Terrorism in February 2005. Andrew led MI5's response to the 2005 terrorist attacks in London, overseeing the significant expansion in counter-terrorism capability and the development of MI5's regional network. In 2006, his teams played the lead role in the disruption of Al Qaida's attempt to attack multiple airliners with bombs hidden in drinks bottles.

Andrew was appointed Deputy Director General of the Security Service in April 2007. As such, Andrew has been responsible for leading all MI5's investigative and operational work. He succeeded Sir Jonathan Evans as Director General in April 2013.

Andrew (born 1962) holds a degree in Natural Sciences from Cambridge University, and is married with two children. He enjoys the outdoors and is a keen ornithologist and wildlife photographer.

Director General Andrew Parker

  • Worked for MI5 for more than 30 years.
  • Wide range of national security and intelligence work.
  • Joined MI5's Management Board in 2002.
  • Appointed Director International Terrorism in 2005.
  • Appointed Deputy Director General in 2007.
  • Appointed Director General in 2013.

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