Meet The Dental Team - Livermore, CA

Meet our excellent dental team

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Meet the team

Robin Doudna
Office Lead

Robin has been in dentistry for almost 30 years and been with Sycamore Family Dentistry for a decade! She loves changing the lives of others and making a difference. She was born and raised in Livermore and has deep ties to the community. She is married and has an adult son and loves being a Nana to her granddaughter. In her free time she works out, takes day trips, goes boating with her husband, and, of course, plays with her granddaughter.


Elizabeth Petronella,
Front desk RDA

Elizabeth has been in dentistry since 1990. She works at the front desk and is very knowledgeable in dealing with the insurance side of things. She loves spending time with family, dogs and traveling. She feels that dentistry can change lives!

Noel Tijerino
Business Manager

Noel works tirelessly behind the scenes at Sycamore Family Dentistry. He handles facility management, IT and all things accounting and HR. Noel has been with our practice since 2005. Prior to joining the team he excelled as a programmer at Lawrence Livermore National Laboratory.  Outside of the office he juggles the schedule of his children. He is an avid student of history and world events.

Daphney Buck, RDH

Daphney is a Registered Dental Hygienist and has been with Sycamore Family Dentistry since 2007. She was trained at UOP. She is a firefighter’s wife and has 2 wonderful kids. She keeps busy with 3 dogs and her horses. She and her daughter barrel race and participate in 4H. She also volunteers for East Bay Regional Parks


Melissa Case, RDH

Melissa has been working in dental offices since 2004. She became a Registered Dental Hygienist in 2011. She is happily married and is raising 3 wonderful kids. She and the family love to head to the beach, take a good hike and just be outdoors!. Melissa is an avid reader and an Etsy entrepreneur.


Jessica Hernandez, RDAEF

Jessica has worked in dentistry since high school and continues to love her profession. She lives and works in Livermore. She has a wonderful husband and 2 beautiful daughters. They love to get out and explore on a good walk. She also enjoys reading, traveling and listening to audiobooks.


Teresa Berrospe, Sterile Processing Technician

Teresa keeps the team going by processing and sterilizing all the equipment necessary for patient care. She is happy to be part of our team.  She is a proud dog mom. She and the puppers go on long walk

Get on the path to better dental health!

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