Dr. Tumer is a medical doctor and geneticist working with rare neurodevelopmental disorders, including SHINE Syndrome (DLG4-related synaptopathy). In 2021, a large series of individuals with DLG4 variants was published where she was the senior, corresponding author. Since then, Dr. Tümer has been working on different cellular biology projects to understand the underlying pathology of SHINE Syndrome, as this is crucial to paving the way to treatment possibilities.