Sir Julian Murray Lewis is a British Conservative Party politician serving as the Member of Parliament (MP), representing New Forest East since 1997. Lewis has served as Chair of the Intelligence and Security Committee (ISC) since 2020, succeeding Dominic Grieve.

Dominic Charles Roberts Grieve is a British barrister and former politician who served as Shadow Home Secretary from 2008 to 2009 and Attorney General for England and Wales from 2010 to 2014. He served as the Member of Parliament (MP) for Beaconsfield from 1997 to 2019 and was the Chair of the Intelligence and Security Committee from 2015 to 2019.