The revolving door has been in the headlines again in recent weeks with the speedy departure of a top official from the EU's medicines agency to a prominent law firm. Such moves, known as going through the revolving door, can allow the private sector to 'capture' or unduly influence the work of the public sector and it is vital that all public authorities including the EU agencies and the European Commission take this threat seriously. This example and other recent revolving door cases again raise questions as to how well the EU institutions implement the current rules, and whether the