Author of more than 35 books in PED ORL. Visiting Professor in over 60 countries. Past President of ISOM - (International Society of Otitis Media). Secretary General of IAPO Interamerican Association of Pediatric ORL -www.iapo.org.br. President of the First World Congress of PED ORL (Buenos Aires, April 2019). Editorial Board of International Journal of Paediatric Otorhinolaryngology.