Last week more than 100 in-house lawyers crammed into DLA Piper’s London arm on Noble Street – not for the latest riveting update on the Pensions Act, but to hear life coach guru Fiona Harrold expound her ‘Seven Rules for Success’.

Drawing on the wisdom of millionaires, TV presenters, human rights leaders and other such luminaries, Harrold held forth on the secrets of a successful life and career to an attentive, if unusual, audience.