Meet Our Team

Newbury Dental Group


Sam Trumbauer


Sam Trumbauer has been working in the dental field since she was 16 years old. While working in her first office she received her dental x-rays license and Registered dental assistant license. She took a short break when she started her family but returned to the dental field in 1994.

Sam comes to Newbury Dental Group with vast experience as an office manager, treatment coordinator, insurance and financial manager. She will work effectively with your dental insurance to make sure you have optimal use of your benefits. With her dental knowledge she is able to answer your questions about treatment efficiently. Sam also works as an assistant when needed and x-ray technician with our 3D unit.

Sam’s favorite part of working in a dental office is being able to develop a relationship with the patients. Getting to know them on a personal level and helping them to achieve the best overall health as possible.

Sam grew up in the area and has lived most of her life in the Conejo Valley. Sam has been married for 37 years and has 3 daughters. She loves spending her down time with her family and large extended family that still lives in the area. She loves to work out, hike, cook and read whenever she get a chance, and her favorite place to go is the beach where her and her husband spend as much time as possible



Yessi joined Newbury Dental group as a certified dental assistant with her dental x-ray license. Yessi is a great asset as a chairside assistant and also front office assistant. She enjoys working in the dental field and helping to transform patients lives and giving them confidence in their smiles. She wants to expand her knowledge, understanding and skills to become a dental hygienist in the future, focusing on providing excellent patient service and ensuring patient loyality.

Yessi also has experience as a cosmetologist and is a certified skilled nursing assistant. She grew up locally and loves to workout, go to the beach, hike and travel, but most importantly make lots of family memories.



Brenda’s passion for the dental field started in early in her high-school years.  Brenda has been with Newbury Dental Groups for over the last two years and it has been absolute pleasure. She has become a great asset to the staff and patients. Brenda has taken embraced the role of our main assistant in the office and is responsible for keeping office running smoothly and efficiently.  When Brenda is not working, she is taking college classes and planning on furthering her experience and education to becoming a Dental Hygienist. Brenda likes spending time with her family and volunteering at her church on her free time. We will miss her when the time comes for her to start dental hygiene school.

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