Mission Statement


In accordance with its values and in support of the organization's purpose, the NCAGD's mission is to serve the needs and represent the interests of general dentists, to promote the oral health of the public, and to foster continued proficiency of general dentists through quality continuing dental education in order to better serve the public.

Vision Statement


By way of its mission, the NCAGD's vision is to be the premier organization of general dentists, dedicated to improving the quality and delivery of comprehensive dental services, education, health promotion, and wellness.



The purpose of the NCAGD is to serve the needs and to represent the interests of general dentists in the Northern California area, and to foster their continued proficiency through quality continuing dental education in order to better serve the public.

Your 2022 Executive Board

Yenba Sing, DMD


Dr. Yenba Sing now practices in the Peninsula, happy to be closer to family. She has three kids who take up 95% of her free time and is passionate about continuing education and study clubs.

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Ben Chew, DDS, MAGD
Vice President


Dr. Ben Chew practices in Fremont and comes from a family of dentists. He enjoys bread and butter dentistry and spending time with his wife and four kids. 

Leon Chung, DDS


Dr. Leon Chung has a deep passion for bringing top quality education and CE's to dentists and dental students in Northern CA and the Bay Area. He has served as the UCSF AGD President and created multiple new initiatives to promote dental education. He sees high-quality dental education as a key to becoming a great dentist and wishes to help you become the best dentist you can be. Outside of his duties as the NCAGD Treasurer, he enjoys playing basketball, hiking and trying new restaurants.  

Chris Roebken, DDS


Dr. Chris Roebken practices in Marin County but misses the proximity of delicious food he had when living in LA.

Roberta Chek, DMD


Dr. Roberta Chek is a native of the Bay Area and happy to be back practicing in San Jose . She currently practices at a public health clinic, which drives her passion to help the underserved community. In her spare time, you can find her running or on a hike to rediscover Northern California.

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Thien Vu, DDS, MAGD
Immediate Past President 


Dr. Thien Vu practices in San Jose and is passionate about periodontal and implant surgery. She is heavily involved in all aspects of the dental profession and has a passion for helping dental students achieve their best.

Contact us for more information about joining the board

Bay Area, CA


Email: secretary@ncagd.com

Thank you for your interest! We will be in contact soon.