Bu Yeap is a Professor in the Medical School, University of Western Australia, and a consultant endocrinologist in the Department of Endocrinology and Diabetes at Fiona Stanley Hospital, Perth, Western Australia. He was awarded the Fellowship of the Royal Australasian College of Physicians in 1996, and completed his PhD (awarded with Distinction) in 2001. He commenced as a Senior Lecturer in 2000 at the University of Western Australia, was promoted to Associate Professor in 2007 and to Professor (Level E) in 2016. He provides inpatient and outpatient care at Fiona Stanley Hospital for people with endocrine disorders and diabetes, and mentors physician trainees and teaches medical students. His research focusses on epidemiological and clinical studies of hormones and health outcomes in men, and the interaction between hormones, diabetes and cardiovascular risk. To date he has 292 publications (including 237 original research articles) with >9,000 citations (Scopus). He has major interests in testosterone in male ageing, the relationship between testosterone and cardiovascular risk in middle-aged and older men, and the interaction between obesity, diabetes and cardiovascular risk. Bu was first author on the Endocrine Society of Australia’s Position Statement on Management of Male Hypogonadism published in the Medical Journal of Australia in 2016. He was an investigator in the Testosterone for the Prevention of Type 2 Diabetes Mellitus (T4DM) study, an Australia-wide randomised controlled trial of testosterone to prevent or revert type 2 diabetes in men. He was the South Metro Health Service Researcher of the Year in 2021 and was President of the Endocrine Society of Australia in 2020-22.