Lord Ivar Alexander Michael Mountbatten, DL is a British aristocrat, farmer, geologist, reality TV personality and businessman. He is a former director of SCL Group, the parent company of Cambridge Analytica. He is the first member of the British monarch's extended family openly in a same-sex relationship, and upon marrying his partner James Coyle in 2018, he was the first to have a same-sex wedding. In 2025, Mountbatten jointly won season 3 of The Traitors US.