Jack was a Senior Adviser to former Prime Minister Rishi Sunak, and has extensive communications experience at the highest level of Government.

Following a stint in finance after finishing university, he entered the world of political communications and rapidly climbed the ranks from the Welsh Parliament to 10 Downing Street. Prior to his time in the Prime Minister's team, Jack worked for the Secretary of State for Wales - and later Chief Whip - Simon Hart, overseeing the UK Government’s response to the COVID pandemic in Wales.

In Downing Street, he was Head of the Government Grid and Strategy, and was later the Prime Minister’s Deputy Press Secretary. Jack was one of Sunak’s closest aides and travelled around the world with him, including to live warzones such as Israel and Ukraine, and led on No 10’s business communications for events such as the 2023 Global Investment Summit and the world’s first AI Safety Summit.