Born: 7 April 1972
Family: married and has one son
Hobbies: skiing, scuba diving, cross country running and reading
Timothy graduated from the Royal Military Academy Sandhurst in 1992 as an officer in the Army Air Corps. He became a helicopter flying instructor in 1998 before being selected for a post with the US Army, flying Apache helicopters.
In 2005 he graduated from the Empire Test Pilots School (ETPS) in the UK. He received a degree in flight dynamics and evaluation in 2006. Timothy was the senior Apache test pilot and was also the Squadron Training Officer. He has logged over 3000 hours flying time on more than 30 types of helicopter and fixed wing aircraft.
Timothy was selected as an ESA astronaut in May 2009.