Dr Mathew Leonardi is an expert in complex gynecology, endometriosis excision surgery and gynaecological ultrasound (assistant professor) at McMaster University Medical Centre in Hamilton, Canada. He is an honorary adjunct lecturer at the University of Adelaide. His philosophy of care includes working in an interdisciplinary team and patient-centred decision making. He has been awarded his PhD from the University of Sydney which is focused on the utility of ultrasound in the diagnosis and surgical management of endometriosis.    Dr Leonardi is a nationally and internationally recognized leader in his field. He has published over 100 peer-reviewed scientific articles, several textbook chapters, and presented at numerous international congresses on endometriosis. He has received numerous awards for his conference presentations on endometriosis. He is an avid researcher, actively contributing academically to the advancement of gynecologic health.   Dr. Leonardi is on the World Endometriosis Society Early Career Board and a founding member of the Next Generation Committee at the International Society of Ultrasound in Obstetrics and Gynecology. He is an Associate Editor for Reproduction & Fertility and on the Editorial Board for the Journal of Minimally Invasive Gynecology, Ultrasound in Obstetrics and Gynecology, and the Journal of Obstetrics and Gynaecology of Canada. He is part of an international research group named Imagendo, which won the most prestigious science award in Australia, the 2023 ANSTO Eureka Prize for Innovative Use of Technology.