Ken Allen started in accountancy before joining DHL three decades ago. For ten years from 2009 he was CEO of DHL Express, responsible for turning around the company from a loss-making mega brand (losing -$3bn globally in 2008) into a world-class performer (profits of $2bn in 2018). He recently handed over the leadership reigns, and is now CEO of DHL’s eCommerce Solutions division. He’s a “back-to-the-floor” kind of guy, often spending time with his organisation’s driving workforce (more often wearing company uniform than a suit!) and has a habit of breaking into song at functions and meetings – earning himself the nickname ‘the Singing CEO’.