Malcolm Chalmers
Former Deputy Director General, RUSI
Biography
Professor Malcolm Chalmers was the former Deputy Director General of RUSI. From August 2025 is the Strategic Adviser to the Defence Secretary.
His work is focused on UK defence, foreign and security policy and recent papers have been on national interest and UK foreign policy, tensions between the rules-based international systems, UK defence budgeting, and the security implications of Brexit.
Chalmers has been an Adviser to Parliament’s Joint Committee on the National Security Strategy since 2012, and was Senior Special Adviser to Foreign Secretaries Jack Straw MP and Margaret Beckett MP.
