Dr. Suzan Wopereis is Principal Scientist and works with a systems biology research group active on the theme ‘quantification of health and effects of lifestyle on health’. She joined TNO in 2006 within the unit Healthy Living and research group Microbiology & Systems Biology. In her 15 years of research at TNO, her main focus has been on phenotypic flexibility as a measure of health, where she uses standardized challenge tests to study the response of a multitude of biological processes to quantify resilience in health optimization and chronic lifestyle related diseases such as Diabetes Mellitus type II.