Tony (A. R.) Pratt graduated with a B.Sc. and Ph.D. in electrical and electronic engineering from Birmingham University, UK. He joined the teaching staff at Loughborough University, UK, in 1967 and remained until 1980.
He held visiting professorships at Yale University, Indian Institute of Technology (IIT) New Delhi and at the University of Copenhagen.
In 1980, he joined Navstar Ltd., as technical director. In 1991, he joined Peek acting in several roles including running Tollstar, a road tolling opportunity. He left Peek in 1997 and joined Navstar Systems Ltd. as a technical consultant.
He is now technical director (GPS) with Parthus. He is also a special professor at the IESSG, University of Nottingham, UK. He acts as consultant to the UK government in the development of the Galileo satellite system.