The author and activist Naomi Klein was born in Montreal in 1970. She started writing journalism while at the University of Toronto and published her first book, No Logo, a dissection of consumer culture, in 1999. Her other works include The Shock Doctrine and This Changes Everything, which marked her turn towards environmentalism. Klein lives in British Columbia with her husband, the film-maker Avi Lewis, and their son, Toma. Her latest book, Doppelganger, exploring conspiracy theories and our fractured political culture, is published on 12 September. On 24 September she will be speaking at the Southbank Centre, London, and on 27 September at the Manchester Literature festival.