James Boxell speaks to Clifford Chance's Oliver Campbell about the scientific approach he favours to improving efficiency in business

Oliver Campbell's education and training may explain his unusual career path. The grandly titled global head of business transformation at Clifford Chance (CC) is a qualified doctor who spent one day a week working in A&E while studying for his legal qualifications.

His aim was to become a medical lawyer, but after a few years working as a CC associate he decided instead to devote himself to knocking his own organisation into shape by leading its ground-breaking programme of 'continuous process improvement'.