Ingham worked on Keir Starmer's leadership campaign in the 2020 Labour leadership election, and was subsequently appointed to work in the policy team of the Labour party after Starmer was elected as leader.[2][3] He later became the executive director of policy at the Labour Party.[4][5] Following changes to Starmer's personnel by October 2023, Ingham was the only original member of Starmer's office still a member of the team.[4] He has been described as a "longstanding Starmer ally" by The Guardian.[4]
Ingham's partner, Jess Leigh, works in the Labour party's press office.[10] They were ranked as the tenth most powerful political couple in the United Kingdom in 2023 by Politico.[10]