After obtaining her bachelor in Pharmacy and master in Medicine, Jessica Bak worked for one year as an assistant physician not in training at the Gynaecology department. Here she found her passion for Internal Medicine, resulting in three years as an physician assistant in Internal Medicine. In 2019, Jessica Bak started as a Ph.D. student at the Amsterdam University Medical Centres. Her Ph.D. trajectory focuses on the Dutch Pediatric and Adult Registry of Diabetes (DPARD), the national clinical diabetes registry of all ages in the Netherlands. She is also employed at DICA, the Dutch Institute for Clinical auditing, a foundation with governance of different nationwide registries. The interest of Jessica Bak lies in the field of real-world evidence and endocrinology.