Don't think they need a professional licence. They just need to be checked out by the other inmates in the asylum called 'Cathay Management".
Be very afraid of the Skull. Short fuse, big ego, point to prove and in charge of your career when his has gone pear shaped? His 'unreasonable behaviour' has been tolerated in the past ( even by the CAD) so don't expect any support from anyone if you turn up and find yourself failing something important.......