Complex sentence: John Murray Allan (born August 1948) is a British businessman; the chairman of the supermarket chain Tesco, the housebuilder Barratt Developments and the card-processor Worldpay.
Split into simpler sentences: John Murray Allan (born August 1948) is a British businessman; the chairman of the supermarket chain Tesco and the housebuilder Barratt Developments. He is also chairman of the housebuilder Barratt Developments and the card-processor Worldpay.