Dr Ie-Wen Sim is an endocrinologist and andrologist with subspecialty interests including clinical andrology, reproductive endocrinology and metabolic bone disorders. Ie-Wen graduated from the University of Melbourne with First Class Honours and completed endocrinology training at St Vincent's Health and Western Health, before undertaking a clinical fellowship in andrology and reproductive endocrinology at Monash Health. Ie-Wen is involved in research in the area of metabolic bone disease and clinical andrology, and is the recipient of the NHMRC postgraduate scholarship. He has authored numerous peer-reviewed publications and is a reviewer for reputed bone and andrology journals. Ie-Wen has been an invited speaker at national and international scientific meetings, and an invited guest on both radio and television. Ie-Wen is an andrologist at Monash IVF and currently holds public appointments at Monash Health, Eastern Health, and St Vincent's Health. He is a lecturer at the University of Melbourne, and adjunct senior lecturer at Monash University.