5. The remaining of the top 10 were the University of Luxembourg (second), Ecole Polytechnique Federale de Lausanne (fourth), University of Geneva (fifth), ETH Zurich - Swiss Federal Institute of Technology Zurich (seventh), University of St. Gallen (eighth), National University of Singapore (ninth) and Imperial College London (10th).
6. Mr Ravenscroft believes he would have had a narrower perspective if he had become a management consultant. Teaching also helped him develop a willingness to take risks — the hard way. “If you stand in front of 30 teenagers who won’t hold back when you’re doing something wrong it makes you willing to try things.”