Jan C. Oosterwijk

Jan C. Oosterwijk is a Professor at Leiden University's Department of Clinical Genetics. His research focuses on clinical genetics, familial/hereditary cancers, and hereditary breast/ovarian cancer. He has published 225 articles, including studies on BRCA1/2 variants, genetic modifiers, and large-scale association analyses. Key datasets include the Hereditary Breast and Ovarian Cancer study Netherlands (HEBON). He actively collaborates internationally and presents on topics like DNA testing and hereditary cancer risks. His work contributes to UN SDG 3 (Good Health and Well-being).