Gerhard van der Horst graduated from the University of Port Elizabeth/NMMU with a PhD in
Zoology and from the University of Stellenbosch with a PhD in Human and Animal Physiology. He is a founder member of the Andrology Workshop and the Reproductive Biology Society of South Africa. He served two terms as the president of the Physiology Society of South Africa.
He is currently an Emeritus Professor of Physiology at the University of the Western Cape and an Extra-Ordinary Professor of Physiology in the Division of Medical Physiology at the University of Stellenbosch. He is a senior consultant to Microptic SL, Spain, involved in new developments in computer-aided sperm analysis.
Professor van der Horst is a National Research Foundation-rated scientist and has published more than 130 research articles and 250 conference presentations. His main research interest is comparative spermatology, computer-aided sperm analysis (from invertebrates to vertebrates including primates) and sperm competition. He is an associate editor of Reproduction of Domestic Animals.