Our Mission Is You
It’s our mission to preserve, protect and restore your oral health through quality and compassionate dentistry. We strive to protect your oral health through comprehensive diagnosis and treatment developed over years of qualified experience and professional education.
Our Mission
Dr. Siri Ziese, DDS
Dentist/Owner
Dr. Siri Ziese, DDS is the owner and general dentist at Ziese Family Dentistry. Dr. Ziese has been in the dental field for almost 20 years and has been practicing dentistry since 2007. She’s a graduate of Loma Linda University’s School of Dentistry where she earned her Doctor of Dental Surgery.
Meet Dr. Siri
Yulisa Gonzalez
Office Manager
Yulisa has been in the dental field since 2015 and brings valuable experience in both clinical assisting and front office operations. As Office Manager at Ziese Family Dentistry, she is passionate about ensuring every patient receives compassionate, attentive care from check-in to check-out. Yulisa finds great fulfillment in helping create a positive and welcoming experience for each patient. Outside of the office, she enjoys CrossFit and making memories at Disneyland with her daughter.
Amparo Lopez
Registered Dental Assistant
Amparo has been part of the dental profession since 2004 and takes great pride in helping patients achieve beautiful, confident smiles. She especially enjoys seeing patients’ reactions to the transformations made possible through the Bioclear technique. In her free time, Amparo enjoys hiking with her daughters, spending time with her grandson, and shopping for shoes.
Angie Perez
Registered Dental Hygienist
Angie has more than 12 years of experience in the dental field and is dedicated to providing gentle, thorough, and personalized care. She enjoys building lasting relationships with her patients and helping them feel comfortable and confident during their visits. Outside the office, Angie enjoys spending time with her family, being outdoors, and staying active with regular workouts.
Daniela Castellanos
Dental Receptionist and Dental Assistant
Daniela has been in the dental field since 2020 and enjoys helping patients improve their smiles while answering questions and guiding them through their visits. She values creating a positive and supportive experience for every patient. In her free time, Daniela enjoys outdoor activities such as hiking, swimming, and kayaking. She also loves cheering on her nine-year-old son at baseball games and keeping up with her four-year-old daughter. Daniela is currently continuing her education with the goal of becoming a registered dental hygienist.
Leah
Registered Dental Hygienist
Leah began her dental career in 1998 after graduating from Ponderosa High School and completing the Dental Assisting ROP program. She went on to earn her Associate of Science degree locally and complete the Dental Hygiene Program at Diablo Valley College. With more than 20 years of experience in dental hygiene, Leah has developed long-standing relationships with many of her patients and is known for helping people feel comfortable and at ease in the dental chair. She is passionate about patient education and encouraging lifelong oral health. Outside of work, Leah is devoted to her family and enjoys snorkeling and traveling.