Meet The Team
Dr. Kayhan Mashouf
D.D.S , M.S.D
A native of San Jose, Dr. Kayhan Mashouf became interested in orthodontics as a youth while helping out at his father's practice on summer breaks. A proud "Banana Slug", he graduated with a Bachelor's Degree in Biology from University of California, Santa Cruz in 2006. He went on to pursue dentistry, and by 2010 acquired a degree in Dental Medicine. In 2013, he completed his long sought after goal of becoming an orthodontist, with the completion of his Orthodontic Residency at the University of Colorado, Denver. On his spare time Dr. Kayhan enjoys playing all kinds of sports, watching documentaries on Netflix, and spending time with his wife and two cats, Ivan and Wolfie.
Dr. Shannon Hayashibara-
Mashouf
D.D.S , M.S.D
Dr. Shannon Hayashibara-Mashouf was born and raised in Riverside, California. Her early experiences as teenager with braces sparked her interest in orthodontics. A self-proclaimed "Whittie", she received her Bachelor's in Biology degree from Whitman College in Walla, Walla 2005. After working in Biotech for 3 years, she attended University of California, San Francisco, receiving her Degree in Dental Surgery in 2013. In 2015, she completed her Orthodontic Residency at University of Colorado, Denver. Having met Dr. Kayhan while in school, she moved to San Jose to join him in practice. Dr. Shannon enjoys cooking, watching "I Love Lucy", and spending time with her family when free.
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Dr. Zahra Ammari
Associate Orthodontist
Dr. Zahra is our new associate as of 2025, She has over 20 years of experience creating healthy and confident smiles. She will be working along side Dr. Kayhan and
Dr. Shannon. She brings a wealth of expertise and warm, patient-centered approach to our practice. She is the mother of twins who are in college. She enjoys taking walks on her lunch break.
Angelica M.
Office Manager
Abby
Treatment Coordinator
My name is Abby and I live in Watsonville. I am married with 3 children. I have been in the dental field for over 20 years. I enjoy working with patients while at work and on my free time I like going to the movies and shopping.
Rosa
Denti-Cal Billing/ D.A
Rosaleah was born in San Diego but now lives in Watsonville. She became a dental assistant at the age of 16 and now manages medi-cal billing. She loves to greet patients and help with any questions or concerns.
Angelica Was born in Watsonville. Has 4 wonderful kids. She's Been in the orthodontic field for 15 years and specializes in Billing and Insurances. She Loves going places and hanging out with her Family.
Cindy
OAP/ RDA
Hi, My name is Cynthia Moreno, I was born in Watsonville But I live in Castroville. I've been an RDA for 2 years and a D.A for 12 years. I have 4 wonderful kids that I love to spend time with. I also love to travel and Bake.
Beatris
RDA
Hi, i'm Beatris. I've worked for a general practice for 32 years until I was introduced to the orthodontic field 9 years ago. I so enjoy working one on one with our patients.
Yesenia
Dental Assistant
Hi , My name is Yesenia I have been working in the dental field for 10 years , I really enjoy working with patients and making them happy . Outside of work I enjoy spending time with my family.
Nayeli
OAP
Nayeli Grew up In San Jose. She has been an orthodontic Assistant for 13 years. She loves spending time with her husband and two daughters. In her spare time, she likes to read, watch Netflix and do fun crafts.