Hanna joined the lab in February 2021 after completing her medical studies at the University of Oslo. Hanna is interested in the development of the mucosal immune system in the gut and in her PhD project she studies the relationship between the enteric nervous system and the immune system of children with Hirschsprungs disease. Her studies also include clinical aspects of Hirschsprungs disease, and she has collaborate closely with the pediatric surgeons at Oslo University Hospital.