About the Staff


Brenda Shen - Office Manager

Brenda is the senior staff with many years of experience serving our patients in this office. She started working here in 1999 when she was in college and became full-time employee after graduated from the University of Washington with bachelor's and master's degrees in accounting.

Brenda is well-disciplined, organized, and familiar with dental insurance, billing, and scheduling, etc. She's patients-centered, knows our patients very well, and always tries her best to help patients for their dental needs.

Brenda was born in Taiwan; she is fluent in both English and Mandarin Chinese. She and her husband love music, play piano, and enjoy serving young kids in their church.


Gloria Tseng - Dental Assistant

Gloria is a native of Seattle and graduated from the University of Washington in 2014 with a bachelor's degree in Microbiology. She began dental assisting in 2012 at a pediatric dentist's clinic where she fell in love with Dentistry. In September 2014, after graduating from university, she was blessed with the opportunity to work and assist for Dr. Guo. When she's not at work, she loves spending time with family & friends, playing volleyball, trying all types of cuisine, and serving in her church. Gloria is very passionate about the well-being of all people and can't wait to become an integral part of your dental health.


Benjamin Chang - Dental Assistant

Benjamin graduated from the University of Washington in 2014 with a bachelor's degree in Molecular and Cellular Developmental Biology. He is a certified dental assistant and has been working at Grace Dental since December 2014. Benjamin has always liked interacting with people and is a very caring person by nature so the patient-care based field of dental assisting is a great fit for him. In his free time, he enjoys playing sports, spending time in the outdoors with this friends, and devoting his service to church.


Dr. Guo and staff can be reached at (206)367-4281, Grace Dental, 3212 NE 125th Street, Ste. B, Seattle, WA 98125.