Louis Sebastian Theroux (; born 20 May 1970) is a British documentary filmmaker, journalist and broadcaster.Born in Singapore to a British mother and American father (writer Paul Theroux), Theroux's family moved to London when he was a child, where he attended Westminster School.
After graduating from Oxford University, he moved to the US and worked as a journalist for Metro Silicon Valley and Spy.
Theroux moved into television as the presenter of offbeat segments on Michael Moore's TV Nation series.
This led to a series of BBC documentaries, including Louis Theroux's Weird Weekends, When Louis Met..., and several BBC Two specials.
He has received two British Academy Television Awards and a Royal Television Society Television Award.