meet the team

Our staff is friendly, knowledgeable and most team members have been a part of the Delta Bay Dental Group family for more than 10 years. The moment you walk in, you will be greeted by our office staff, that will help to ensure that all your financial options are reviewed.

The Delta Bay Dental Group Hygienists and Assistants ensure that your teeth receive the best care possible. Here at Delta Bay Dental Group, our goal is to give you a”Smile that will last a lifetime”.

              Our hygienists


Office 1


Joy Graduated from Chabot College in Hayward in 1997 and has been working as a Dental Hygienist in Brentwood and the surrounding communities for about 17 years. With her kind and gentle manner she enjoys caring for her patients and aims to provide great service and make their dental hygiene visit comfortable and comprehensive. She plays piano, sings in a choir and enjoys traveling with her family.


Office 3


Tina has been with Delta Bay Dental since 2007 and has 14 years of experience as a Registered Dental Hygienist. She is a 2002 graduate from San Joaquin Valley College In Visalia, California. Tina enjoys the opportunity to help her patients understand why oral care is so beneficial to their overall health and longevity of their teeth. Outside the office Tina enjoys spending time with family and friends. Her hobbies include, golfing, crafts, the outdoor lifestyle and traveling.



Office 8


Allie has been an Registered Dental Hygienist at Delta Bay Dental Group for 8 and half years. She graduated from Hygiene School in 2008, but started her dental career in 1999 as an Registered Dental Assistant. In 2001 She decided it was time to advance her career and become and Hygienist. 

Allie has 2 children and takes pride in watching them grow up. She also enjoys reading in going for hikes in her spare time.


Our Dental Assistants

Office 12 +


Lives in Oakley and has been married to her husband Michael, for 34 years. They have 4 sons and 5 of the cutest Grandkids. Sherrie enjoys sewing, bike riding and walking. She loves  traveling and spending time with her family. 



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Jody has been a Registered dental assistant for 18 years with 11 of those years at Delta Bay Dental Group. She graduated at the top of her class. Jody enjoys assisting cosmetic cases. She is very knowledgable and friendly and helps patients understand why they need to be here. Outside of the office Jody enjoys doing D.I.Y. projects and spending time with her family and friends.  




Marsha received her RDA license in 2006 and has since made it her priority of making patients feel comfortable while in her care. She is a 30 year resident of Oakley and  enjoys cycling on the weekends with her husband and spending time with her two kittens. She stays active by her “at home” workout regimen and enjoys downtime watching movies and reality television. 


Our Front Desk Team

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Kathy of Delta Bay Dental Group has worked in the Dental Field for over 14 years. Kathy has since proven herself a valuable asset to out team. She is great with every patient and always knows how to help them understand their financial situation, and schedule accordingly. As the patient care coordinator, she takes time to understand the individual needs of every patient. Kathy prides herself on getting to know the patient and treats them as a member of her own family. Outside of the office, she enjoys being involved with her children’s school activities, hanging out with her friends, and spending quality time with her family.  


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Sally has worked in the Dental Field for all of her adult life. The experience that she has attained over the past 40 years gives her the expertise needed as an Office Manager. She is a seasoned Member of AADOM- American Association of Dental Office Managers and has enjoyed the continuing education they have offered for the past several years. Outside of the office she enjoys boating and time spent with her family including 10 grandchildren. 

“Dr. Rontal and Dr. Joseph Nau are “my” dentists and I am grateful for their excellent care in dentistry. They run a ‘state of the art’ Dental Practice and are both kind and thorough. I refer all my friends and family to them with sincere confidence.” 



Erin is New to our Front Office, but not to the Dental field. Erin has worked 3 years prior as a Dental Assistant and in Sterilization. Erin has proven to be an asset in all aspects of the Dental field and appreciates the opportunity to have been involved in many aspects of what goes on in the office. Erin is really thriving in the front office and loving the change and settling in quite nicely with the team of women at Delta Bay Dental Group.

Erin has two awesome kids that keep her busy and on her toes. She enjoys running, reading, crafting on her spare time and enjoys  spending time with her family.