Tom is professor of bacteriology and food safety at Swansea University. He trained initially as a meat technologist has focussed on research into zoonotic infections, principally those caused by Salmonella and Campylobacter spp.
He spent 20 years in the Public Health Laboratory Service. In 2001, he moved to Bristol University, followed by Liverpool University 2010-2014.
Tom did much of the research on salmonella and eggs in the 1980s and ‘90s and advised the British Egg Industry to vaccinate hens against salmonella in 1997, a major public health intervention.