Maritha has more than 20 years experience in routine genetic diagnostics and research in the field of Human Genetics. Since obtaining her PhD degree in 1990, she has successfully supervised several postgraduate students and has been awarded the Rector's Award for Research Excellence in 1999. In January 2000 she became the head of the Division of Human Genetics and at the beginning of 2001 she was promoted to associate professor at the University of Stellenbosch. Although she resigned in February 2002 to become the managing director of GeneCare Molecular Genetics, she continues with supervision of several registered students. Her publications include more 90 peer-reviewed articles and invited book chapters. Maritha has been an invited speaker at numerous national and international scientific meetings and is a regular presenter of CPD accredited lectures on the application of genetic principles in clinical practice.