Twenty-five HS2 staff have previously worked for CH2M.
Thirty-seven CH2M staff are on secondment to HS2 Ltd.
HS2 Ltd does not hold information on the numbers of people who returned to CH2M after working for HS2 Ltd.
There are 84 CH2M people located in HS2 Ltd offices.
By way of context, HS2 Ltd’s total headcount is around 1,500.