Mariëtte Boon (1988), MD, PhD is internal medicine specialist in training. Her research, per- formed at the Leiden University Medical Center, Leiden, focuses on fat metabolism. She has been awarded numerous pres- tigious national and international prizes for her research. Her favourite sport is tennis and her favourite food chocolate.
Professor Liesbeth van Rossum, PhD is internist-endocrinologist at the Erasmus University Medical Center, Rotterdam.
She is co-founder of Obesity Center CGG, and has an inter-nationally leading position in the field of obesity and biological stress research. Van Rossum is a frequently invited speaker, including a TEDx talk, and received over 20 (inter)national awards for her scientific research. She's alsoan athletics fanatic.