Dr. Janna van Diepen is Principal Scientist at Reckitt / Mead Johnson Nutrition, where she leads the preclinical research program in immunity. With a strong scientific foundation and a passion for advancing health through nutrition, she drives the development of innovative nutritional solutions that support optimal metabolic and immune function across the lifespan. Janna fosters academic collaborations and external partnerships to translate scientific insights into impactful product propositions.

Before joining the industry, she was a Junior Principal Investigator in the Department of Internal Medicine at Radboudumc, Nijmegen. She earned her PhD from Leiden University Medical Centre and has over a decade of experience in translational research, with a focus on the metabolic and inflammatory mechanisms underlying diabetes and cardiovascular disease. Janna also holds an MSc in Biological Health Sciences, with a specialisation in nutrition and exercise science. Her work bridges science and application, aiming to improve lifelong health through evidence-based nutrition.