<p>- Assistant Professor of the Otolaryngology Clinic at the Faculty of Medical Sciences, National University of Asunción.<br>- Member of the Executive Committee of IFOS (International Federation of ORL Societies).<br>- Past President of the Ibero-Latin American Society of Otolaryngology.<br>- Past President of the Latin American Society of Rhinology and Facial Plastic Surgery.<br>- Past Vice President of the Pan-American Association of Otolaryngology.<br>- Past President of the Paraguayan Society of Otolaryngology and Head and Neck Surgery.<br>- Former Head of the Otolaryngology Service at the Central Hospital of the Armed Forces of Paraguay.<br>- Member of the American Academy of Otolaryngology–Head and Neck Surgery (AAO-HNS).<br>- Member of the Brazilian Association of Otorhinolaryngology and Cervico-Facial Surgery.<br>- Member of IAPO (Interamerican Association of Pediatric Otorhinolaryngology).</p>