Division chief, Head and Neck surgery

Residency program director, Otolaryngology

Director of Robotic and Salivary glands program

SUNY UPSTATE MEDICAL UNIVERSITY

Associate Professor of the National & Kapodistrian University of Athens.

Otolaryngology–Head and Neck Surgeon in Hospital Universitario Fundación Jiménez Díaz and Hospital Universitario General de Villalba (Madrid, Spain). Clinical practice and academic activity focus on sialendoscopy and minimally invasive surgery of salivary glands.

Active member of a dedicated Sialendoscopy and Functional Salivary Gland Disorders Unit, with contributions to the development and dissemination of sialendoscopy through clinical practice, research, and education. Recently served as co-editor of the first Spanish-language textbook on sialendoscopy. Research interests also include obstructive salivary gland disease, in particular obstructive factors and potential obstructives entities; and quality-of-life associated to chronic obstructive sialadenitis.

Clinical practice and research focus on rhinology and anterior skull base surgery, including endoscopic sinus surgery, chronic rhinosinusitis management, septal surgery, and septal perforation repair; over the past eight years, work as a co-investigator in multiple international clinical trials evaluating monoclonal antibody therapies for chronic rhinosinusitis with and without nasal polyps.

Strong commitment to medical education through participation in hands-on training programs for otolaryngologists (sialendoscopy, septoplasty and endoscopic sinus surgery), and current role as Otolaryngology Professor in Universidad Alfonso X el Sabio, Madrid, Spain.

Dr Daniel is the Chair of the Department of Pediatric Surgery at McGill University, and the Surgeon-in-Chief at The Montreal Children’s Hospital. 

He is a Professor in the Departments of Pediatric Surgery and Otolaryngology-Head and Neck Surgery at McGill University and a Senior Scientist in the Child Health and Human Development Program, Centre for Translational Biology, Research Institute MUHC. Dr Daniel is the Past-President of the Canadian Society of Otolaryngology-Head and Neck Surgery and the Secretary-Elect of the American Society of Pediatric Otolaryngology.

Dr Daniel is a passionate teacher as evident by his leadership roles in Continuing Medical Education and his numerous teaching awards. He also heads the McGill Otolaryngology Sciences Laboratory and has over 240 peer-reviewed publications and several research grants. His clinical expertise is in pediatric airway disorders, dysphagia, salivary gland disorders, and hearing loss. He is also a pioneer in many minimally invasive surgical techniques including hearing implants.

Dr Daniel has received mutiple honours and awards, including  the Distinction of the president award by the College of Physicians of Quebec, induction into the Triological Society,  the Royal College Accredited CPD Provider Innovation Award, and Canada's top 40 under 40.

As a certified Professional Coach(PCC), Dr Daniel enjoys fostering professional growth and development of peers and trainees.

Endoscopic Nasal and Anterior Skull Base Surgery Unit of the Department of Otorhinolaryngology at Donostia University Hospital.

Co-director of the Department of Otorhinolaryngology at Policlínica Gipuzkoa and of the SONA Otoneurology Centre.

Sialoendoscopy and minimally invasive techniques in salivary glands form part of his clinical and academic work. He is one of the professionals who has contributed most to the spread of these techniques in Spain and has led or collaborated on numerous publications on minimally invasive procedures in salivary glands. He was co-editor of the first textbook on sialoendoscopy in Spanish.

Highly active in promoting minimally invasive techniques, he has directed all nine editions of the SIALOSS sialoendoscopy course (Next edition: October 2026 www.sialoss.com).