Prof. Dr. Stefan Zielen is a specialist in respiratory & allergic diseases at the Institute for Respiratory Diseases "Medaimun."
He was the head of the focus on allergology, pneumology, and cystic fibrosis at the Department of Pediatrics and Adolescent Medicine at the Frankfurt University Hospital for 22 years. Prof. Zielen has published over 280 peer-reviewed papers at Pubmed and has been an expert in asthma, rare lung diseases, and allergic diseases for many years. He treats children, adolescents, and adult patients.