Andrew Paul Gilligan (born 22 November 1968) is a British policy adviser and former transport adviser to Boris Johnson, the Prime Minister between 2019-22. Until July 2019, he was senior correspondent of The Sunday Times and had also served as head of the Capital City Foundation at Policy Exchange. Between 2013 and 2016 he also worked as the Mayor's cycling commissioner for London and in 2020 he was an appointee of Central Government to TfL's Board. He is best known for a 2003 report on BBC Radio 4's The Today Programme in which he described a British government briefing paper on Iraq and weapons of mass destruction (the September Dossier) as 'sexed up'.