Mark is a senior medical scientist who specialises in reproductive cytogenetics and genomics. He is currently the Deputy Laboratory Director at the Victorian Clinical Genetics Services (VCGS) and heads the Division of Reproductive Genetics, which incorporates the non-invasive prenatal testing (NIPT), maternal serum screening (MSS) and reproductive genetic carrier screening (RGCS) services. He also heads the NIPT Laboratory. Mark received his PhD from the University of Melbourne for research into centromere biology and evolution undertaken in the Chromosome Research Laboratory at the Murdoch Childrens Research Institute. He obtained his FHGSA in 1990 while Head of Cytogenetics at the Royal Women’s Hospital, Melbourne. Mark has a long standing interest in early human embryology and development. He works with a team that applies molecular cytogenetics and genomics technologies to help identify the causes and origins of genomic conditions early in pregnancy.