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National Security Adviser (United Kingdom)

The National Security Adviser (NSA) is a senior official in the Cabinet Office, based in Whitehall, who serves as the principal adviser to the prime minister of the United Kingdom and Cabinet of the United Kingdom on all national security issues. The NSA post was created in May 2010 as part of the reforms that also saw the creation of the National Security Council. There have been six holders of the office to date, two of whom served more than three years in the post. Until 2024, the NSA acted as Secretary to the National Security Council, which is chaired by the Prime Minister, and head of the National Security Secretariat in the Cabinet Office. Each National Security Adviser has been supported by at least two Deputy National Security Advisers.

Responsibilities
The National Security Adviser is the principal official adviser to the Prime Minister and Cabinet on national security matters. These responsibilities have included: • Providing advice to the Prime Minister and the Cabinet on national security. This includes strategy, policy, capability and civil contingencies. • Leadership to and management of the national security teams in the Cabinet Office. • Bringing together the wider national security community across Whitehall and the UK Government's overseas network. • Cultivating and maintaining a network of international stakeholders as well as contacts with relevant counterparts, businesses, industry and civil society groups. ==List of national security advisers==
List of national security advisers
== List of deputy national security advisers ==
List of deputy national security advisers
Since the creation of the position of National Security Adviser, there have always been at least two deputy national security advisers. • Julian Miller (2010–2015) • Olly Robbins (2010–2014) • Hugh Powell (2013–2016) • Paddy McGuinness (2014–2018) (Intelligence, Security and Resilience) • Gwyn Jenkins (2015–2017) (Conflict, Stability and Defence) • Christian Turner (2017–2019) (International Affairs) • Richard Moore (2018) (Intelligence, Security and Resilience) • Madeleine Alessandri (2018–2020) (National Resilience and Security) • David Quarrey (2019–2022) (International Affairs) • Beth Sizeland (2020–2021) (National Resilience and Security) • Alex Ellis (2020–2021) (Integrated Review on diplomacy, development and defence) • Andrew McCosh (2021–2022) (Technology) • Sarah MacIntosh (2022–2024) (Foreign Affairs) • Matt Collins (2022–present) (Intelligence, Defence and Security) • Barbara Woodward (2025–present) (International Affairs) ==References==
Source: Wikipedia ↗
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