sentences:  From 1997 to 2001 he was Chief executive of Costain Group, which he converted from an annual loss of £62 million to a profit of £6.5 million.In 2001 he became Chief executive of Railtrack, and from 2002 to 2007 its successor, Network Rail,
  
  During his time at Network Rail he was believed by a survey sponsored by "The Sunday Times" to be the highest-paid public-sector employee in the UK.Armitt's salary and bonus of £878,000 – rising to more than £1m when pension contributions are included, overtaking Adam Crozier, chief executive of Royal Mail.