In 2004, two years after graduating from Carleton College cum laude with a degree in French Literature, Sebastian moved to Manchester, England where he began shooting for The Manchester Evening News.
In 2006 he moved to London and in 2009 he moved to Iraqi Kurdistan.
Sebastian's work has been published in The New York Times, Sunday Telegraph, Sunday Times Magazine, The Guardian, The Independent Magazine, The Economist, Elle Belgique, Psychologies, BBC, LA Times, Life.com, Science Magazine, Penguin Press, Random House, Afar, and The Globe and Mail.
Sebastian's archive is here