Deputy National Security Adviser

Madeleine Alessandri


Madeleine Alessandri is the UK Deputy National Security Advisor and Prime Minister’s Adviser on National Resilience and Security. She joined government service in 1988 and has held a wide variety of positions in the Diplomatic Service and in National Security both in the UK and overseas.

She took up her current role in July 2018.

She was made a Commander of Order of Saint Michael and Saint George (CMG) in 2017.

Deputy National Security Adviser

The Deputy National Security Advisers supports and advises the Prime Minister and National Security Adviser on:

  • countering hybrid threats
  • cyber security and the delivery of the National Cyber Security Programme
  • counter-terrorism
  • serious organised crime
  • crisis management
  • civil contingencies
  • electoral security
  • intelligence policy
  • funding of the Security and Intelligence Agencies
  • science and technology
  • foreign direct investment
  • diversity and Inclusion in the national security community

Cabinet Office