Timothy Cowen became a partner in the international antitrust/competition practice of the law firm Sidley Austin LLP in January 2011. He is the founder of the Open Computing Alliance, a fellow of the think tank "Res Publica", a visiting professor at the City of London Law School and a board member of the International Institute of Communications, a not-for-profit training and conference organiser on communications issues. From 2001 to 2009, he served as General Counsel and a board member for BT's international businesses. He was BT's Chief Counsel, competition law and public policy, from 1997 to 2001, and before that, was BT's Head of European law. He trained with city law firm Lovell White Durrant. He is a barrister, called in July 1985, and has an MA in Law from Cambridge University.