Derek Ansel, MS, LCGC Derek Ansel is Vice President, Therapeutic Strategy Lead, Rare Disease. Derek has worked in clinical research for more than 13 years with a focus almost exclusively on rare and pediatric diseases, including neurodevelopment disorders, non-malignant hematology, autoimmune diseases, metabolic disorders, movement disorders, and other genetic conditions. At Worldwide, he leads and supports corporate initiatives within rare and pediatric diseases, including genetic disorders, and cultivates relationships with over 120 patient-focused advocacy organizations.