Nicole Healy, Registered Dental Hygienist

Nicole is originally from Boston, MA but decided to settle in San Diego with family for the beautiful weather and active lifestyle. She loves hiking, running, soccer, beach volleyball, eating out, and doing anything outdoors! Nicole spends most of her free time exploring new places in San Diego with her son Rowan, daughter Mattie, and Fiancé, Trey. Nicole was inspired to become a dental hygienist at the young age of 14 by her older sister, Shavonne, who has also made dental hygiene her career. Surprisingly, it came natural and she discovered a hidden passion for teeth! Nicole started out as a dental assistant and continued onto hygiene school where she graduated from Mount Ida College in 2009. As your dental hygienist, Nicole is committed to providing you with the best experience. She prides herself with giving the most gentle, yet thorough cleaning possible. “I believe hygiene visits can be fun and enjoyable. My biggest reward is witnessing patients laugh, and most of all improve their oral health over time while under my care. I look forward to taking care of you!”

Breann Magee, Dental Assistant

Breann is a registered dental assistant, who serves as our clinical ambassador. When you work with Breann, we hope you will notice how each visit begins with a conversation about you. She makes sure you are comfortable, takes time to communicate about your visit, and works along side Dr. Winter to complete your dental treatment. Breann is passionate about restoring oral health and smile appearance, and loves to see the emotional benefits that come with having a beautiful smile. Fresh air, good food, and lots of outdoor fun keep Breann feeling happy and vibrant outside of our dental practice.


Leah Vacher, Registered Dental Hygenist

Leah has newly transferred from an intern to a part of our hygiene team. She graduated from Southwestern College in May 2019. In her spare time, she teaches yoga and loves spending time with her 2 cute dogs! Leah is on of the most outgoing and down to earth people we know. Her style and energy are incomparable! She is extremely smart and insightful and we are so excited to have her on our team!

Christian Winter, COO

Christian came to dentistry in 2006 through his capacity as a software author writing custom applications to communicate with patients using email and text message. Once inside the field, the many different layers of challenge fit his appetite for problem solving and it was evident a new career had begun. The best part of the job remains the people involved, from the patients to the team, as building relationships that last is key to the journey of life. 


Dr. Laura Souza

Dr. Souza is a dentist from Brazil who earned her first dental degree at Universidade Federal of Rio Grande do Sul in 2008, with a full scholarship. After a visit to San Diego, she fell in love with the city, the weather, and the lifestyle and decided to move. She then became involved in periodontal plastic surgery and had the opportunity to work at the Nordland Oral Microsurgical Institute (NOMI) in La Jolla. Dr. Souza was later granted her second dental degree at Loma Linda University School of Dentistry. During her time at NOMI, Dr. Souza published a paper in the International Journal of Periodontics and Restorative Dentistry and she has provided many teaching courses around the US with Dr. Peter Nordland. She also co-authored the Periodontal Plastic Surgery chapter for the book Esthetics in Dentistry by Goldstein, in its 5th Edition. Dr. Souza has always admired Dr. Winter’s talent in dentistry and is very excited to join the team. Outside of the office, she is also a certified yoga Instructor and spends most of her free time between yoga, playing with her dog, and going to the beach. She has just recently taken on bodyboarding and is enjoying spending more time in the ocean. She likes to visit her hometown in south of Brazil every year and spend time with her family and friends.

“Cat” Martin, Dental Assistant

Catherine “Cat” is our chair side DA/dental assistant. As an assistant, she ensures an efficient and professional experience for our patients while offering a comfortable and relaxed environment. Cat graduated with a Biological Science degree from Colorado State University in 2000, and quickly jumped into dentistry in the state of Wyoming, folloed by Arizona. Her career in dentistry was put on hold while raising a young family and living overseas in Germany while married to a former active duty Air Force special agent. Cat has since permanently settled into La Jolla and loves it! Any free time is spent at the gym, the beach, or at her kid’s sports games.


Alisa Frazier, Registered Dental Hygenist
Alisa is an ocean enthusiast originally from the Central Coast. She received her B.S. in Nutrition and a minor in biology from Cal Poly State University in San Luis Obispo, and later received her Associate’s in Dental Hygiene from Concorde Career College in 2014
Alisa is a gentle, yet thorough hygienist that is passionate about helping to improve your overall health through dental hygiene. She will work with you to find the right tools and tricks to suit your individual hygiene needs. She is enthusiastic about providing each patient the best dental experience possible
When she is not at the office, Alisa and her husband love to travel, surf, and snorkel, and are very active in their church community and love serving on mission trips.

Danielle, Registered Dental Assistant
Danielle is a registered dental assistant and treatment coordinator. She has been in dentistry for over 25 years, working side-by-side with world renowned clinicians. Her passion is changing lives by creating beautiful, healthy smiles. With her cosmetic knowledge and expertise, you can count on Danielle to guide you throughout your entire dental experience.
Danielle is a San Diego native and loves camping, traveling and most of all, hanging out with her family and two doggies

Debi, Treatment Coordinator
Debi is our Treatment Coordinator. She is a native San Diegan, and enjoys any activity that involves being near the water. She comes with over 30 years of dental experience; both clinically and administratively. Debi began her dental career as a Registered Dental Assistant, before transitioning to the administrative side after 16 years of assisting.
“I love working at Sarah Winter Dental! The quality of care for the patients is superb, and the integrity is unmatched! Our team is like working with family and friends. I enjoy the connection I have with each patient. My goal is to build trust with them, creating lasting relationships and being their dental advocate while helping them feel free from financial dental burden.”
In her spare time Debi enjoys spending time with her husband, attending SDSU football games (where her husband is a Professor), friends and family. Debi has two grown children and two adorable grandchildren, whom she is blessed to spend a lot of time with, as they are here in San Diego.