A/Prof Siow’s subspecialty interest is in Endoscopic Sinus and Skull Base Surgery and Rhinology. He graduated MBBS in 1982 and obtained his Doctorate in Medicine from the National University of Singapore in 2006 for his thesis entitled “A Study of Asian Paranasal Sinus Anatomy Using Tri-Planar Projections on Computed Tomograph Scans.”.

He has lectured and conducted endoscopic sinus surgery workshops regionally and internationally^* since 2002. He is an Editorial Board Member of Eurasian Otorhinolaryngology and Audiology and a reviewer for the European Archives of Oto-Rhino-Laryngology and Head & Neck, International Forum of Allergy and Rhinology and the Sultan Qaboos University Medical Journal.

*Australia, Austria, Brazil, Brunei, Bulgaria, China, Cambodia, Cuba, Denmark, Egypt, Germany, Hungary, Indonesia, India, Italy, Japan, Kenya, Kuwait, Malaysia, Mexico, Myanmar, New Zealand, Oman, Philippines, Russia, Saudi Arabia, South Korea, Switzerland, Taiwan, Thailand, United States of America, United Arab Emirates, Uzbekistan and Vietnam.