Tugendhat studied Theology at the University of Bristol, before doing a Masters in Islamic studies at Gonville and Caius College, Cambridge and learning Arabic in Yemen.
In 2017, Tugendhat was elected chair of the Foreign Affairs Committee, becoming the youngest person ever to hold the post. Under Tugendhat's chairmanship the Foreign Affairs Committee has focused on British foreign policy after Brexit, foreign asset stripping in the UK, COP26, the situation in Xinjiang and the impact of new and emerging technologies on foreign policy.