Lord Pickles, Chairman of the Advisory Committee on Business Appointments (Acoba), said the Bill Crothers case "highlights a number of anomalies" when it came to his watchdog vetting appointments by former ministers and senior officials.
Mr Crothers, a former head of Government procurement, began working for Greensill as a part-time adviser to the board in September 2015 - in a move approved by the Cabinet Office - but did not leave his role as Government Chief Commercial officer until November that year.
Report by Patelr.
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