About Us
Truong Quach, MD
After completing medical school and residency in 2006, Dr. Quach had started training in medical esthetics. Due to obligations, he went on to serve with the US Air Force in the field of aerospace medicine and worked in hospital medicine. After fulfilling his duty, Dr. Quach was extremely enthusiastic about resuming work in medical cosmetics. He went on to establish the clinic at Defy Medical Cosmetic in Corona, California.
Dr. Quach has received additional training in aesthetic, ultrasound, and laser procedures. Meanwhile, he continues to monitor for the latest development in medical cosmetics. Dr. Quach aims to provide personalized treatment plans to clients wanting for that age defying, natural, and youthful appearance. He is also a strong advocate for the overall health and wellness of the client.
Trisha Diep
Manager/ LE
With a passion for beauty and wellness, Trisha leads the team as the clinic manager and oversees all operations. With many years of industry experience, Trisha is committed to providing exceptional service and personalized care to each individual client’s experience.
Trisha’s expertise in skincare and client relations allows Defy Medical to offer a wide range of innovative treatments, ensuring that every client leaves feeling revitalized, confident, and radiant.
Kelly Lum
MA/Client Care Coordinator
Kelly is an aspiring Physician Assistant. She is dedicated to providing excellent quality care in both clinical and administrative support. With a focus on efficiency and compassion, she helps coordinate appointments, assisting healthcare providers, blood draw services, medical weight-loss injections, and support with daily office operations.
Kelly’s passion for healthcare helps create a welcoming and efficient medical cosmetic environment for our office.
Brooke Escobar
Licensed Esthetician
With almost a decade of esthetic experience, Brooke has worked in both the traditional relaxing spa environment as well as the medical esthetic industry. Her knowledge of skin care and progressive treatment regimens is used to customize each session to target the client’s concerns.
“My goal is for every client to leave more informed, relaxed and glowing. If we can’t achieve their desired skin with one session then I hope to establish a gradual treatment regimen to safely and effectively achieve those results.”
Dao Nguyen
Expert Phlebotomist
Dao has extensive experience having worked in laboratory services at a busy OC Hospital. She has over 20 years of experience in performing blood draws and diagnostics. Her presence allows us to provide the most assured and comfortable experience in procedures such as PRP and PRF therapy.
Dao shares our enthusiasm in providing excellence in providing medical esthetic care.
Jenny Diep
Clinical Assistant
Jenny has over a decade of experience as a nurse. Her career in the field of aesthetics and wellness has been rewarding and fulfilling. She loves to help clients feel youthful and get more confident. Her passion is to educate clients to take care and maintain themselves through proper services and treatments.
Jenny strives to do her best in anything she sets her mind to. This includes providing top quality service to our clients.
