His early career was in the civil service, including appointment as Private Secretary to successive holders of the post of Head of the Home Civil Service, and in the Treasury, where he played a leading role in the privatisation of British Airways and of the British Airports Authority.
In 1988 he moved to the private sector, first as a Director of a major investment bank (County NatWest), and later as a partner in Price Waterhouse, based in Prague as Head of Corporate Finance.
Colman resigned from his post on 3 February 2010, after an internal investigation found child pornography on his work computer.
[1][2][3] South Wales Police began an investigation, and on 8 February arrested Colman on charges described as "possessing indecent images".
[4] Colman pleaded guilty to fifteen separate offences and, in November 2010, he was sentenced to eight months in jail.