Dr Liza O’Donnell is a senior research scientist at the Hudson Institute of Medical Research and Griffith University. She obtained her PhD from Monash University in reproductive endocrinology. During her career, Liza’s research interests have included the endocrine and molecular regulation of the testis, in particular, male hormonal contraception and male infertility causes and treatments. Her work currently focuses on the identification of biomarkers to diagnose testis function and investigating new diagnostics and therapies to support optimal androgen production and fertility in men.