Ex-education secretary Gavin Williamson has taken a £50,000 a year job advising a private schools and colleges firm run by a ring of Tory donors.
The top Tory has accepted a role on the advisory board of Regent Group, which has donated at least £135,800 to the Conservative Party.
The firm’s CEO, Dr Selva Pankaj, is also a Tory donor, as are company directors Dr Nadey Hakim and Maurizio Bragagni, Professor George Holmes, who chairs the Advisory board.