Prof. Simon P de Graaf (FRSN FSRB) is recognized globally as an expert in sheep reproduction, artificial breeding, reproductive technologies and semen assessment. He is currently a Professor of Animal Reproduction at the School of Life and Environmental Sciences, the University of Sydney. His research programs have been awarded over AUD 7.4 million in funding, producing 80 refereed journal articles and three book chapters. He has trained over 2500 veterinary medicine, animal science and agriculture students in animal reproduction and is a regular invited speaker at scientific conferences, agricultural industry events and field days throughout Australia and overseas. His work has been featured globally in print, radio, and TV media. He is currently Secretary General of the International Congress on Animal Reproduction. In recognition of his career achievements in animal reproductive science, he was elected Fellow of the Royal Society of NSW and Fellow of the Society of Reproductive Biology.