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Associate Professor Geoffry De Iuliis serves as an academic in the School of Science (Reproductive Medicine) at the University of Newcastle, part of the College of Engineering, Science and Environment. He obtained his PhD, Bachelor of Science (Honours), and Bachelor of Science from the University of Newcastle. His career trajectory at the institution encompasses several key appointments, including Senior Lecturer in the School of Environmental and Life Sciences from February 2015 to December 2022, Postdoctoral Research Fellow in the Faculty of Health and Medicine, School of Biomedical Sciences and Pharmacy from February 2014 to February 2015, and Postdoctoral Research Fellow in the Faculty of Science and IT, School of Environmental and Life Sciences from May 2004 to January 2013. Currently, he contributes as a senior researcher at the Priority Research Centre for Reproductive Science.
De Iuliis's research centers on sperm cell biology, with a particular emphasis on the detrimental effects of reactive oxygen species on male germ cells, resulting in protein and DNA damage. His investigations explore the implications for assisted reproduction technologies, employing techniques such as mass spectrometry and molecular modelling to analyze protein structures for potential therapeutic targets, including novel contraceptives. He possesses expertise in sperm cell biology, analytical chemistry, biomarker development, DNA damage detection, and protein structure determination. Notable publications include 'The effects of radiofrequency electromagnetic radiation on sperm function' (Reproduction, 2016, co-authored with Houston B, Nixon B, King BV, Aitken RJ), 'Improving sperm selection strategies for assisted reproduction through closing the knowledge gap in sperm maturation mechanics' (Human Reproduction Open, 2025, co-authored with Hart HM, Nixon B, Martin JH, Aitken RJ), 'Evaluation of Oxidative Stress in Mammalian Spermatozoa' (2025, co-authored with Gibb Z et al.), 'The Impacts of Wireless Communication Electromagnetic Fields on Human Reproductive Biology' (2022, co-authored with Miller K et al.), and 'Role of Oxidative Stress in the Etiology of Male Infertility and the Potential Therapeutic Value of Antioxidants' (2019, co-authored with Aitken RJ, Drevet JR). His contributions advance IVF outcomes by refining sperm selection methods and promoting lifestyle interventions to counteract male infertility. The work extends to animal reproduction, supporting conservation and livestock programs, and examines risks from environmental factors like radiofrequency radiation on sperm integrity, addressing fertility challenges affecting one in six Australian couples.