Meet Our Team
Sandra Calleros, DDS
Dr. Calleros has been providing exceptional dental care to the South Bay communities of Los Angeles since 1987. A UCLA graduate, she stays at the forefront of dentistry through ongoing education, specializing in the latest technologies and minimally invasive techniques. She is passionate about helping babies thrive, particularly through her work with Infant Tongue-Tie, and is proud to be a Breathe Baby Affiliate. Dr. Calleros also excels in cosmetic dentistry and is the one of only a few certified Bioclear providers in her area. Outside of her practice, she enjoys spending time with her family and participating in community events. She values continuing to impact her patients’ health from infancy and beyond.
Lauren Estes, DDS
Dr. Lauren Estes is known for her compassionate approach and dedication to patient-centered care. Originally from Tennessee, Dr. Estes has always been driven by a desire to help others and create a welcoming environment for her patients. She believes dentistry goes beyond oral health—it’s about building trust, fostering confidence, and making patients feel truly cared for.
After completing her education, Dr. Estes moved to the South Bay to join our team and focus on providing the highest standard of care to her patients. Her clinical expertise spans comprehensive restorative care, cosmetic treatments, and preventive dentistry, and she is committed to staying at the forefront of dental advancements through ongoing education.
When she’s not helping her patients achieve healthy, beautiful smiles, Dr. Estes enjoys immersing herself in the vibrant culture of Los Angeles. You’ll often find her exploring the city’s restaurant scene, attending comedy shows, or spending time with friends and family. She also loves painting, running, and relaxing on the beach. A self-proclaimed social butterfly, Dr. Estes treasures building meaningful connections with her patients and her community.
Dr. Estes’s genuine compassion, attention to detail, and commitment to excellence make her a trusted partner in your dental journey. Whether you’re here for routine care or a complete smile transformation, she’ll make sure you feel supported every step of the way.
Lyndsay Malama
Registered Dental Hygienist
Lyndsay Malama, a Registered Dental Hygienist, is a valued member of our hygiene team. She completed her training at the West Los Angeles Dental Hygiene Program and brings a passion for helping others feel confident in their smiles. Known for her warm and encouraging approach, Lyndsay ensures that every patient leaves their appointment feeling uplifted and cared for. Her friendly and energetic personality makes her a joy to be around, and our patients truly appreciate her dedication to their oral health and overall well-being.
Marissa Heredia
Registered Dental Hygienist
Marissa Heredia, RDH, discovered her passion for dentistry at a young age and began her career while earning a Bachelor’s Degree in Sociology from California State University, Dominguez Hills. With over 20 years of experience—including her time at the UCLA School of Dentistry, where she was named Employee of the Year in 2010—she later pursued dental hygiene at West Los Angeles College, serving as class president for two years.
Now a dedicated dental hygienist, Marissa is committed to providing exceptional patient care and is an active member of the American Dental Hygienists’ Association. She plans to further her education with a Master’s in Dental Hygiene and hopes to inspire future professionals as an instructor..
Jackie Zago
Registered Dental Assistant
Jackie Zago is a skilled Registered Dental Assistant with experience in the field since the early 2000s. She began her dental career after graduating from Bryman College in Los Angeles and spent nearly two decades working in Beverly Hills. Seeking a better work-life balance, Jackie chose to join a practice closer to home—a decision she’s never regretted. Her warm, caring nature and professional expertise help patients feel at ease and well cared for at every visit.
Stephanie Estrada
Registered Dental Hygienist
Stephanie Estrada earned her Bachelor of Science in Kinesiology from San Diego State University before completing Dental Hygiene School at West Los Angeles. She has also pursued additional studies in Nutritional Therapy and Myofunctional Therapy, shaping the way she educates and collaborates with patients. She firmly believes that oral health is a reflection of overall well-being, emphasizing that achieving optimal oral health goes far beyond just brushing and flossing.
Currently, Stephanie maintains a limited dental hygiene schedule, focusing primarily on myofunctional therapy and assisting Dr. Calleros in treating infant tongue-ties and lip-ties. She finds deep fulfillment in these roles, as they allow her to help babies, children, and adults improve their health and quality of life in ways she never could have imagined at the start of her career.
Cindy De Leon
Office Manager
Cindy has been the perfect addition to the Calleros Dental team. With decades of dental experience and an infectious smile, she brings both warmth and professionalism to the front office. Born and raised in Hawthorne, CA, Cindy attended Hawthorne High School before continuing on to San Diego State University.
She’s passionate about creating a smooth, stress-free experience for every patient, and she handles all your needs with grace and care. Whether coordinating appointments or assisting with insurance questions, Cindy’s friendly and knowledgeable approach helps patients feel right at home.
Nicole Taylor
Dental Assistant
Nicole Taylor recently relocated to the South Bay from Oakhurst, California. She earned her Dental Assistant certification from SoCal ROC in June 2026, gaining hands-on experience in a variety of dental procedures, including oral surgery, implants, crowns, and diagnostic imaging. She is also certified in Basic Life Support (CPR and AED).
Currently attending El Camino College, Nicole is committed to continuing her education and growing her career in dentistry. She also works as a Host and Concierge at California Surf Club, where her warm personality and welcoming nature shine. Her positive attitude, attention to detail, and genuine passion for helping others make her a wonderful addition to our team.