Keir Alexander Mather[1] was born in 1998 in Kingston upon Hull
He studied for the MPP at Oxford's Blavatnik School of Government as a Political Leadership Scholar, in a scheme that was "open to applicants from the UK and Republic of Ireland who intend to run for public office"
Mather worked as a public affairs adviser for the Confederation of British Industry for 18 months before entering Parliament and was a parliamentary researcher for Labour MP Wes Streeting from 2019 to 2020