Jeffrey Donaldson
Sir Jeffrey Mark Donaldson (born 7 December 1962) is a Northern Irish politician. He has the leader of the Democratic Unionist Party (DUP) since June 2021. He has been the Member of Parliament (MP) for Lagan Valley since 1997. He is the leader of the DUP in the UK House of Commons since 2019. He is Northern Ireland's longest-serving current MP.