Gateway Dental Center

Our Dentists

Our dentists are a team of highly skilled internationally trained doctors who view dentistry as a vital component that goes hand in hand with medical health and overall well being. We are a Invisalign Platinum Elite practice providers and are here to service all your needs. Meet the team! 

Dr James Ho DMD MPH

Dr James Ho

Harvard University DMD MPH

Dr. James Ho Sew Hung earned his Doctorate of Dental Medicine (D.M.D.) and Master of Public Health (M.P.H.) from the prestigious Harvard University.


With more than 20 years of practice experience in US and Singapore, Dr. Ho is uniquely qualified to share with his patients and team members ways to improve care utilizing the up-to-date, safe and proven treatment modalities. Dr. Ho was awarded Platinum Elite Provider in Invisalign status and one of the few dentists in Asia certified to offer minimally invasive Pinhole Surgery Technique for gum rejuvenation to reverse gingival recession.  

In many compromised and challenging situations, Trust Dr Ho to formulate a treatment plan both effective and promising, to deliver a healthy beautiful smile to his patients worldwide. 


Dr. Ho is currently the Managing Director of Gateway Dental Center (Singapore) and several other clinics globally. Dr. Ho is a native of Singapore, he is fluent in English, Mandarin and Cantonese.

Dr Warren BDS

Dr Warren

BDS Australia

Dr Warren is committed to bringing a smile to your face. He has unwavering passion to provide for your dental needs from a smile makeover to overcoming common dental challenges such as fear, anxiety and pain!


Although Dr Warren is a new face at Gateway Dental Center, he comes with a wealth of experience and expertise. In the past 5 years, he had qualified with the Australian Dental Association and accreditation with the Australian Society of Implant Dentistry. Under Dr Warren’s meticulous care, he will take you through your routine check-ups, emergency dental pain or cosmetic dentistry uneventfully. For patients with unsightly discoloured teeth or missing teeth, he endeavours to help restore to them a beautiful smile they deserve. Aesthetic bridges and implants are amongst the common procedures that Dr Warren routinely to such discerning patients.


He spent 8 years in Melbourne, Australia, eventually returning for Singapore to settle down. During his free time, he often indulges in family gatherings all year round. With an immense heart for his family’s well-being, Dr Warren is likewise focused to provide the most appropriate and functional treatments for all your dental need, in a painless and relaxed style. He warmly welcomes you today for an appointment that could change your smile for the better.

Dr Raechelle Koh BDS

Dr Raechelle Koh

BDS Hong Kong

Dr Raechelle Koh graduated from the prestigious University of Hong Kong.

Prior to working in private practice, she worked in a private hospital treating all types of patients with complicated medical history and dental problems.

Being great with kids, she is also a member of the international association of paediatric dentistry and is a fully certified Invisalign Provider.

Her interests in dentistry include restorative and family dentistry. Continuing education is vital in this field and thus she makes sure that she constantly upgrades and learns new skills so as to provide better and holistic treatment for her patients. 

Dr Raechelle is a native Singaporean Chinese, fluent in English and Mandarin. 

Gateway Dental Center

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