Dr. Siu maintains a private practice limited to prosthodontics and aesthetic dentistry in Toronto, Canada. He is a Fellow of The Royal College of Dentists of Canada and is a Board Certified Specialist in Prosthodontics. He is also a Diplomate of the American Board of Prosthodontics and a Fellow of the American College of Prosthodontists. He is one of the very few dual-boarded Prosthodontists in both Canada and the US.

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Dr. Siu is from Toronto and received his Bachelor of Health Sciences degree from McMaster University. He then completed his Doctor of Dental Medicine degree at the University of Pennsylvania in Philadelphia. During his time there, he received multiple awards including the Academy of Osseointegration Award for Outstanding Dental Student in Implant Dentistry and the E. Howell Smith Award in Prosthetic Dentistry. He was also inducted into the Omicron Kappa Upsilon (OKU) National Honor Society and the Matthew Cryer Honor Society, the highest academic honour awarded to the top ten students in each class.  

Dr. Siu completed a 3-year specialty program in Advanced Prosthodontics at the University of Illinois at Chicago. His area of research is in dental implants and restorations in the aesthetic zone. His research was funded by grants from the American Academy of Esthetic Dentistry, American Academy of Implant Dentistry and the Northeastern Gnathological Society.