Hunting the UK's first trillion dollar company If you were to conjure up a stereotypical mental image of a typical computer science professor, Daniel Kroening might well be it. Tall, angular, with wire-rimmed specs and a high-domed forehead framed by a halo of wild, curly hair, his fingers trace an ergonomic keyboard unrecognisable to most of us, while his English has soft traces of his native German accent.