If there are any readers who know of a taxi driver who feels disillusioned, unchallenged and underpaid, they might like to ‘pep up’ the despondent cabbie with an inspirational rags-to-riches tale of the driver who became a software mogul.

Document management supplier iManage may today be a multinational company with all the trappings of corporate respectability, but Mahmood Panjwani – the company’s esteemed founder, no less – knows exactly what it is like for the people who drive him around, because he used to be a cabbie in California.