David Olusoga was born in Lagos, Nigeria.
His father is Nigerian and his mother British. When they broke up, Olusoga, who refers to himself as 'a Geordie Nigerian', lived with his mother.
He gained a BA (Hons) in history from the University of Liverpool.
His television credits include The World’s War: Forgotten Soldiers Of Empire (BBC Two), Britain’s Forgotten Slave Owners (BBC Two), which was nominated for an RTS award, and A Black History Of Britain (BBC Two).
He is the author of The World’s War, and the Colonial Roots of Nazism; and the co-author with Casper W Erichsen of The Kaiser’s Holocaust: Germany’s Forgotten Genocide.
Much of his work revolves around military history, colonialism, slavery and scientific racism.
In August 2015, he stood in for Ndaba Mandela to deliver the Dorothy Kuya Slavery Remembrance Lecture.
In 2015, it was announced that David Olusoga was making two films in a new BBC Two series Civilisations, with Mary Beard and Simon Schama being the presenters of the other programmes in the series.
He wrote a book to accompany his four part BBC2 series Black & British: A Forgotten History, broadcast in November 2016.