Meet The Team

Managing Partner
Freya Zhang
Freya has 14 years of business consulting and 5 years start up experience, focus in technology, healthcare and high end service. With a multiple back ground in business, investment and legal affairs, Freya has worked in both state owned companies, and top tier multinational companies in APAC, helped 20+ new business established in APAC regional market. She’s also an entrepreneur and independent consultant for local government. Freya holds a bachelor in Law, second major in business management and communication

CEO & Dental Director
Dr. Oscar Sum
Dr. Oscar Sum graduated from one of the world’s top dental programs at King’s College London. He continued to work in Brighton, UK as a General Dentist under the NHS and later as an Oral and Maxillofacial resident in public hospital whilst completing his Masters in Dental AI.
In 2013 he moved to Shanghai to work in the top Orthodontic and Implant clinics and in 2023 he founded Aidencare.

Implant Speciailist
Dr. Teoh Chang
Dr. Chang is now a lecturer in Hong Kong on the subject of implants particularly autogenous bone grafting and has done over 10,000 implants. He did his undergraduate and implant specialty training in the UK, where he served the highest end patients and did the most complicated cases.
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His portfolio of implant cases includes all on 4 (full mouth implants) including zygomatic implants. More work on the The Dental Implant club can be found at Dental Implant Support Club - Home.