Dr. Raiyan Chowdhury is a dual-trained specialist in Otolaryngology – Head and Neck Surgery and Critical Care Medicine. He completed his medical degree and residency training at the University of Alberta, where he developed a focused interest in disorders of the upper airway, nasal breathing, and sleep-related breathing conditions. Dr. Chowdhury’s practice encompasses the full spectrum of ear, nose, and throat care, with a particular emphasis on patient-centred assessment and minimally invasive management of airway and sleep-related disorders. His approach combines surgical expertise with evidence- based, collaborative care tailored to each patient’s needs.

Dr. Jason Chau is an internationally trained Otolaryngologist - Head and Neck Surgeon with specialized expertise in Sleep Surgery and complex airway reconstruction. He completed his medical degree at the University of Saskatchewan, followed by residency training in Otolaryngology–Head & Neck Surgery at the University of Alberta, where he also earned a Master’s degree in Public Health and completed fellowship training in Head & Neck Oncology and Microvascular Reconstruction. He later completed advanced subspecialty training in Sleep Surgery at Stanford University, one of the world’s leading centers for surgical management of sleep-disordered breathing. Before joining our clinic, Dr. Chau was recruited to the University of Manitoba, where he established Canada’s first multidisciplinary Sleep Medicine and Sleep Surgery Clinic. He was later recruited to the University of Calgary to develop and lead its Sleep Surgery Program. He is also the founder of the Canadian Sleep Surgery Clinic, the country’s only centre dedicated to providing advanced upper-airway reconstructive surgery for patients with all degrees of sleep-disordered breathing, including those who have not found success with conventional therapies. Dr. Chau is recognized for his commitment to evidence-based, patient-centered care. He has received numerous research awards and grants, and continues to publish and lead scientific work focused on innovative approaches to airway reconstruction, functional outcomes, and collaborative care models. Patients value his thorough assessments, clear explanations, and ability to offer a full spectrum of advanced surgical options tailored to their specific needs. Whether patients are seeking alternatives to CPAP, exploring cutting-edge airway procedures, or looking for expert guidance on complex sleep-disordered breathing, Dr. Chau provides a compassionate and knowledgeable approach aimed at improving long-term health, safety, and quality of life.

Dr. Devon Livingstone is a general otolaryngologist based out of Calgary with extensive experience performing septoplasty and UPPP surgery. He has additional training and expertise in functional and aesthetic rhinoplasty surgery, including preservation and structural approaches. He operates out of the South Health Campus as well as the Holy Cross Chartered Surgical Facility.