Our Team

Our excellent team consists of highly qualified professionals with years of experience in the orthodontic and related fields. We are proud of our team members’ training, expertise and continuing education, and the manner in which we work together to help you in every way we can.

At Orthodontics of San Mateo our whole team is committed to providing you with the best care possible in a warm, caring environment.  All of our team anticipates that your experiences here will be successful and every member of the team puts much emphasis on you and your needs to ensure that your encounters in our office are pleasant for you.

When you are visiting our office, our attention to detail, our outstanding technical skills, our friendly, helpful attitude and our knowledge of orthodontics are all designed to make you feel comfortable and secure knowing you are being taken care of efficiently and effectively.

Please always feel free to ask us questions and offer suggestions. Most of our team has experienced orthodontic treatment at Orthodontics of San Mateo, and thus, can offer first-hand opinions and details on the procedures they have experienced.

All of the Orthodontics of San Mateo team is pleased to be of assistance to you.


Elia is a Bay Area native and has been with Orthodontics of San Mateo since 2015.
She is our Administrative and Treatment Coordinator and helps to guide patients throughout their orthodontic treatment. Elia is also a Registered Dental Assistant. You will find her working in all areas of the office. She enjoys a remarkable life with her husband, 3 kids, and dog. She loves cheering for her kids at the baseball or soccer field during her free time.

Jessica is a Registered Dental Assistant and Financial Coordinator.
She always had a passion for braces and orthodontic appliances before graduating from her dental assistant program in 2013.  Later, she joined the Orthodontics of San Mateo Team in 2017. She enjoys working with Dr. Hirasuna and her colleagues! What she loves about being an assistant is interacting with patients and providing them with the smiles they deserve. She looks forward to meeting you at your next appointment.  When she’s not at the office, she spends her time with her husband and their four-legged kids. She enjoys crafting, working out, and traveling.

Staff Katherine - Orthodontics of San Mateo in San Mateo CA

Katherine is our Treatment Coordinator. She graduated from San Francisco State University with degrees in both Child and Adolescent Development & Psychology. While at San Francisco State University, she participated in the Denmark Study Abroad Program where she discovered her passion for traveling and photography. During her free time, she enjoys reading, watching movies, and spending time with family. Katherine graduated from braces a while ago and wears retainers daily to keep her teeth nice and straight. Katherine looks forward to helping patients achieve the goal of having a happy, healthy, vibrant smile.

Gen is our scheduling coordinator. She grew up in Texas and moved to San Mateo in 2021. Gen dreamed about working in the Orthodontic field and looks forward to becoming a Registered Dental Assistant in the future. She loves seeing patients’ confidence grow as their smile improves after each appointment! She enjoys going on adventures with her partner and exploring the Bay Area during her free time.

Staff Misty

Misty has been an Orthodontics of San Mateo team member since 2015 and is dedicated to orthodontics and dentistry. She is native to San Mateo and attended local schools (Sunnybrae Elementary, Borel Middle School & Aragon High School). As a Registered Dental Assistant with over twenty years of experience in orthodontics, Misty is ever so happy working with kids and adults at Orthodontics of San Mateo. She is a great team player and says she loves the whole orthodontic team and being with them. She is a proud mother of three children, a beautiful granddaughter & a handsome grandson

Ana was born and raised in San Mateo.
She attended local schools: Sunnybrae Elementary School, Borel Middle School, and San Mateo High School. She became a Registered Dental Assistant shortly after graduating from the Dental Assistants Program at the College of San Mateo in 2020. She enjoys helping her fellow coworkers and the patients at Orthodontics of San Mateo. She loves spending quality time with her baby girl, especially having picnics at the park.

Lexus is a Bay Area native and grew up in San Bruno. Shortly after having braces, she discovered her interest in dentistry and attended the College of San Mateo to get her degree in Dental Assisting. She became a Registered Dental Assistant in 2023. She enjoys spending time with her family, going on walks in nature, watching movies, and traveling. 

Staff Elba - Orthodontics of San Mateo in San Mateo CA

Elba is a lady with a beautiful heart who loves children and people — especially Dr. Hirasuna and the orthodontic team and all the great patients. Elba first came to our office as a dental assistant intern from ROP. Previously she worked in a dental laboratory fabricating crowns and bridges and partial and full dentures. Now she is in charge of our in-office lab and assists in the operatory.  As Elba is from El Salvador, she speaks Spanish as well as English. She likes to read, go to the gym and shop. She has two children and four delightful granddaughters.