Ross John Kempsell, Baron Kempsell (born 8 May 1992)^[1][2] is a British political adviser and life peer. He was Political Director of the Conservative Party and Director of the Conservative Research Department.^[3] He was nominated for a life peerage by Boris Johnson in the 2022 Prime Minister's Resignation Honours,^[4][5] and was created Baron Kempsell, of Letchworth in the County of Hertfordshire, on 11 July 2023.^[6] He was introduced to the House of Lords on 20 July,^[7] where he sits for the Conservative Party.^[8]

Kempsell was educated at The John Henry Newman School in Stevenage and at Christ's College, Cambridge, where he wrote for the weekly student newspaper Varsity.^[9] He was formerly a journalist at the political website Guido Fawkes. In 2019, Kempsell interviewed Boris Johnson during his campaign for the leadership of the Conservative Party, in which Johnson declared that he liked to make models of buses to relax.^[10] He also worked as a journalist for Times Radio^[11] and was a political editor for TalkRadio.^[12]