Sean Tuohy graduated from University College Cork with BSc and MSc degrees in Dairy & Food Science and holds a PhD from the National University of Ireland. He joined the Dairy Technology Dept. of Moorepark Research Centre in 1977 where he worked as a Research Officer on aspects of milk protein technology; spray drying technology and packaging technology until 1992. In 1992 he was appointed Manager of Moorepark Technology Ltd (MTL), a joint venture company established between the Irish Agriculture & Food Development Authority (Teagasc) and Irish milk processors to provide commercial pilot plant and research services to customers in the Food Industry. In this role he managed the design, construction, servicing, equipment-procurement, installation and commissioning of the 2,500 m2 MTL pilot plant and pre-commercial production facility on a green field site at the Moorepark Research Centre. He managed the operations and business start-up and had general management responsibilities for the business. He led a staff of ten comprising food technologists, process engineers and plant operators and established MTL as a leading international provider of pilot-plant services, with particular expertise in separation technology and spray drying. Sean is a member of the Council of the Society of Dairy Technology (UK & Ireland) and is Associate Editor of the International Journal of Dairy Technology.