Doctor of Dental Surgery of the University of Southern California (1976)

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Certificate in Orthodontics of the University of Southern California (1978)

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Diplomate of the American Board of Orthodontics (1988)

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Fellow of the Hong Kong Academy of Medicine (Dental Surgery) (1993)

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Fellow of the College of Dental Surgeons of Hong Kong in the Specialty of Orthodontics (2000)

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Fellowship in Dental Surgery of the Royal College of Surgeons of Edinburgh (2009)

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