Dr Hodgson, an internationally renowned scientist and educator, is a Professor of Zoology lecturing in invertebrate biology, cell structure and function, animal reproduction, environmental physiology, marine biology and introductory microscopy. His interests are in reproductive biology, particularly in developmental processes in gametogenesis of invertebrates, structure and function of spermatozoa, comparative sperm structure and its application in taxonomy and evolutionary biology, reproductive biology/ecology of mollusks, and the physiology of spermatozoa. As well, estuarine biology, and the management of estuarine and intertidal resources, are fields in which Dr Hodgson carries out research. Dr Hodgson has published extensively, with 109 publications in peer evaluated scientific journals, a book and chapters in five other books. He is a peer reviewer for 21 international journals associated with marine biology. He is a member of numerous professional societies, including the Malacological Society of London, International Society of Invertebrate Reproduction, Unitas Malacologica, Microscopy Society of Southern Africa, Zoological Society of Southern Africa, Royal Society of South Africa, Californian Malacological Society, American Microscopical Society, and Marine Biological Association of Plymouth.