Julian has extensive and award-winning teaching experience in food microbiology, quality assurance, rapid methods, and graduate attributes. His research activities focus on food microbiology and food safety, including rapid methods for the detection and characterisation of microorganisms associated with foods, the biology, ecology and management of foodborne pathogens and food safety systems and culture. He is also involved in the development and application of technology, especially computers, in teaching, and study of higher education.