Mark Boyden is highly discreet when it comes to helping UHNWs, senior corporate executives and the members of the world’s royal families which make up his core client base. ‘You have to be innately intuitive and clinically sound,’ he says. Boyden has 15 years’ experience at the top end of the sector, including training at Regent’s University, and working at Guy’s Hospital and on Harley Street before setting up his own private practice: anyone would struggle to find a psychotherapist with a better pedigree. Boyden previously worked as a venture capitalist, senior management consultant, and senior executive for a multinational foundation. Clients can expect ‘total discretion, with no pretences, airs or graces’.