He was previously Director Cyber in the Foreign Office (2018-2020), Britain's Deputy High Commissioner to India (2015-2018), and acting British High Commissioner to India from November 2015 to March 2016.
He has also led the UN Security Council expert group on Al Qaida, Daesh and the Taliban[6] and worked for the first Obama Administration as a senior adviser in the U.S. Department of State.
He serves as a Trustee and non-executive director of the Internet Watch Foundation, is a member of the Wilton Park Advisory Council,[13] a Trustee of the International Longevity Centre[14] and serves on the advisory council of the British Library.
[17] In November 2023 he was appointed a Senior Research Fellow at the British Centre for Army Leadership.
[20] He is the author of a history of disinterest, a study of informal networks and policymaking, and a range of work on South Asia.