As well as writing novels, Gruff is an inventor, entrepreneur, and technology consultant. He has a PhD in Physics from Imperial College, London, the location of The Looking Glass Club. Gruff was nominated for Ernst & Young Entrepreneur of the Year 2003 and was a TV finalist in the BBC Tomorrow’s World Innovation Awards (Inventive Individual Category).
A keen linguist, he speaks five languages to varying degrees of incompetency and is the creator and CEO of Kwiziq - an AI language coach (kwiziq.com).
Gruff was a founding technologist behind one the UK's most successful dotcoms, moonfruit.com. More than 6 million websites have been built using moonfruit.
He also invented the Exertris gaming-exercise bike, featured on BBC Tomorrow's World (twice) and which Bill Gates presented during his keynote speech at the Consumer Electronics Show.