Bob Groom had been interested in radio from the age of 5 when he owned his first crystal set. He was apprenticed during the middle war period with Standard Telephones and Cables where he learnt draftsmanship and toolmaking. In 1948 he formed a company building electronic test equipment for TV manufacturers and the BBC in the early days of television after the war.
His firm joined up with the US company Tektronix and he became Managing Director and Operations Manager of Tektronix UK Ltd. He also has an interest in photography and also had half share in a boatyard on Bembridge Harbour. After retirement he says he has never worked so hard in his life.