sentences:  He returned to the University of Cambridge in 2005 as the fourth Director of the University Computing Service since its establishment as the Mathematical Laboratory in 1949.He was a member of the board of Computacenter 2006-2013 and was previously also a board member for JANET(UK) between 2007–2011.He lived in New York City, USA for 10 years, including the extended period of recovery of the World Financial Center associated with the 11 September attacks in 2001.