Lachlan De Crespigny is a partner at the private clinic, Melbourne Ultrasound for Women, which sees approximately 10,000 patients a year, and head of the Ultrasound Department. A former president of the Australasian Society for Ultrasound Medicine, he is the country's most prominent spokesperson on prenatal testing.
De Crespigny has published over 60 articles and book chapters in national and international publications, in addition to several bestselling books.