Meet the Team

Dr. Cynthia Boyd, D.C.
Oversight Director / CBP® Certified Instructor / ScoliBrace® and ScoliBalance® Advanced Certified Provider

Initiating positive, permanent change in the body without drugs or invasive surgery puts Dr. Cynthia Boyd, D.C. of Symmetry Health Center and the Bay Area Scoliosis Center at the forefront of an advanced type of chiropractic knowledge and care known as Chiropractic BioPhysics® (CBP®). As one of the only CBP® practitioners in the East Bay, Dr. Cynthia Boyd uses highly specialized techniques that put patients on a path to healing and recovery, proven far more effective than traditional chiropractic methods. Dr. Boyd says, “CBP® is to spinal care what orthodontics is to teeth – permanent change.”

Lisa Houge-Boyd
Operations Manager | Team Leader

Lisa Houge-Boyd has been with Symmetry Health Center since 2006, making her a founding team member of Symmetry Health Center and the Bay Area Scoliosis Center. She has proven to be a true leader, providing clear direction and system implementation for our ever-expanding team of health care providers and assistants. Symmetry’s rapid growth and ongoing expansion of services are due in part to Lisa’s ability to manage a strong team and implement systems.

Lisa has over 25 years of customer service and team leadership experience, qualifying her as Symmetry’s Operations Manager. It is Lisa’s hard work and dedication to patient and employee satisfaction that allows Symmetry to offer the highest level of customer service. Lisa has an extensive background and understanding of the insurance billing industry as well as chiropractic patient management based on years of training and education in these areas. Lisa has also served as a weight loss and nutrition coach under the Symmetry umbrella of services and has attended both Chiropractic BioPhysics® seminars and ScoliCare® trainings through the years, and has a thorough understanding of our services both due to her training and experience as an actual patient.

Dr. Cameron Penta, D.C.
Chiropractic Case Manager | CBP® Certified Provider | ScoliBalance® Certified Assistant

Dr. Cameron Penta, D.C., received his doctorate from Life Chiropractic College West in June 2017. His journey began in high school when he sustained multiple injuries while participating in sports. This led him to seek care from a physical therapist, inspiring him to pursue a Doctorate in Physical Therapy. However, his path shifted after meeting a chiropractor who reshaped his perspective on healing the human body. From that moment, Dr. Penta shadowed several chiropractors before ultimately deciding to become one himself. During his chiropractic studies, he recognized his potential to help others through various modalities.

Dr. Brian Lee, D.C.
Chiropractic Associate | CBP® Trained Rehabilitation Assistant | ScoliBalance® Certified Assistant

Dr. Brian Lee, D.C., earned his Doctorate of Chiropractic from Life Chiropractic College West (LCCW) in December 2018 and joined the Symmetry Health Center team in February 2019. He has since become a vital member of our chiropractic staff, serving patients at both our Oakland and Alameda locations. During his time at LCCW, Dr. Lee explored a wide range of chiropractic techniques, fueling his passion for learning and mastery in the field. After extensive study, he chose to specialize in Chiropractic Biophysics® (CBP®) and joined Symmetry Health Center to pursue this expertise. Under the mentorship of Dr. Boyd, Dr. Lee continues to refine his skills in CBP® while attending advanced continuing education courses on the spine, as well as nutrition and longevity. Dr. Lee is certified in the ScoliBalance® method, allowing support for patients with scoliosis and thoracic hyperkyphosis. He is also apprenticing Dr. Boyd on ScoliBrace® case management, furthering his understanding of the complex condition.

Dr. Alex Kha, D.C.
Chiropractic Case Manager | Chiropractic BioPhysics® (CBP®) Certified Provider

Dr. Alex Kha, D.C., earned his Doctorate in Chiropractic from Life Chiropractic College West in September 2020. Since joining Symmetry Health Center and The Bay Area Scoliosis Center, he has been an integral team member, contributing in multiple capacities, including patient care, X-ray analysis, staff training. In 2022, Dr. Kha began specialized training in ScoliBrace® and ScoliBalance®, enabling him to support Dr. Boyd with complex scoliosis cases. He continues to deepen his expertise in scoliosis under Dr. Boyd’s mentorship.

In 2023, Dr. Kha took a leave of absence to travel across Asia and other destinations, gaining new perspectives that have enriched his approach to patient care. Now back at Symmetry Health Center, he brings renewed passion and expertise to the team.

Dr. Samantha E. Chenkin, D.C., MS, CPT
Associate Chiropractor | CBP® Certified Provider | ScoliBalance® Certified Assistant

Dr. Samantha Chenkin discovered her calling for healthcare and human performance early in life, driven by a strong curiosity about the human body and holistic health. As a Division I student-athlete at the University of Miami, she earned her B.S. in Exercise Physiology. Competing in both cross-country and rowing, Dr. Chenkin developed a keen interest in optimizing movement, preventing injuries, and maximizing functional health and human performance. This passion guided her to pursue further education at LIU Brooklyn, where she completed her Master’s in Exercise Physiology and Nutrition while gaining significant experience as a Tier 3 Personal Trainer at Equinox Fitness in NYC.

Becoming a chiropractor emerged as a natural step to dive deeper into health and wellness, offering her the ability to adjust and examine the spine in greater depth. Dr. Chenkin earned her Doctor of Chiropractic degree from Palmer College of Chiropractic Florida in March 2024. Throughout her studies, she became a dedicated proponent of Chiropractic Biophysics® (CBP®) and is certified in the method.

Eddy Loeza, CPT, EMT
ScoliBalance® Certified Assistant | CBP® Trained Rehabilitation Assistant | K-Laser® Certified

Eddy brings a blend of experiences to Symmetry and the Bay Area Scoliosis Center. Eddy is currently pursuing higher education with the goal of attending chiropractic college in the future. Growing up an athlete, Eddy participated in various sports such as soccer, football, and martial arts, eventually leading him to join the military in 2013. Having a high drive for passion and purpose, Eddy found the military to be the ideal space where these qualities converged.

During his military service, Eddy underwent one of his most challenging training experiences, transitioning from infantry to a sniper. Each step in this journey demanded a higher degree of self-discipline, adaptability, and capability. Working alongside elite forces such as Navy SEALs, Green Berets, and other special operation units, one principle always stuck out—not only do you need to fully understand your role, but You also need to be capable of understanding and performing everyone else’s role. From the medics, all the way down to knowing how to handle a radio, the goal was to always be a self-sufficient team.

Cinthea Davis, BS, CPT
ScoliBalance® Certified Assistant | CBP® Trained Rehabilitation Assistant | K-Laser® Certified

Cinthea Davis BS, CPT joined the Symmetry Scoliosis and Symmetry Health Center team’s in 2023 with a myriad of experience in exercise and movement. While in undergraduate college, she grew a professional admiration for health and exercise science by working in the athletic department and student recreation center at UC Riverside. It was there she developed a passion for educating, uplifting, and encouraging health and wellness through the pillars of health: exercise, diet, and sleep/restoration. Cinthea graduated with a Bachelor’s of Science in Neuroscience (2021) while simultaneously pursuing health and exercise sciences through the National Academy of Sports Medicine and the International Sport Sciences Association. In 2022, she worked as a rehabilitation assistant working with chronic pain and postoperative patients in a busy Physical Therapy clinic . Since completing her undergraduate degree, she has worked closely with Doctors of Physical Therapy (DPT) and exercise specialists learning from the best in the industry. The foundation of her career has propelled and inspired her to pursue a Doctoral degree as a Physical Therapist with an emphasis in retraining the body with recovery and rehabilitation.

Ariana Fuentes, BS, CPT
ScoliBalance® Certified Assistant | CBP® Trained Rehabilitation Assistant | K-Laser® Certified

Ariana is a passionate and dedicated fitness professional, certified in Personal Training by the International Sports Sciences Association (ISSA). She holds a Bachelor’s degree in Kinesiology from California State University East Bay, and brings over seven years of hands-on experience in the fitness industry, with a specialized focus on injury rehabilitation and holistic wellness. Growing up immersed in athletics, Ariana developed a deep curiosity about how the body works and moves, an interest that naturally led her to pursue a career in Kinesiology and fitness.

A lifelong athlete, Ariana has competed in a variety of sports including soccer, basketball, lacrosse, and softball. Her foundation in fitness stems from a 19-year soccer career, including two years playing semi-professionally in Oakland. She continues to stay connected to the sport as a private soccer coach, offering one-on-one sessions that blend athletic performance with injury prevention strategies.

Ryan Mahrt
Patient Coordinator | K-Laser® Supervisor

Ryan has been a valued member of Symmetry Health Center since May 2014 and has worked in the chiropractic field since 2009. From a young age, he aspired to be part of the health and wellness industry. After years of working in traditional medicine, he discovered a deeper connection to non-medicinal, holistic healthcare, inspired by the passion and dedication of the chiropractors he encountered along the way. As Ryan puts it, “Providing excellent service to patients in support of their journey to improved health is of the highest importance to me.”

Ryan studied medical office administration and is certified in HIPAA privacy protocols. In addition to insurance work, Ryan is constantly trying to expand his repertoire.With an educational background in medical office administration and medical assisting, which included certification in HIPAA privacy protocols, Ryan is truly a jack-of-all-trades at Symmetry. He continually expands his knowledge through independent study in alternative healthcare and administrative policy.

DeVanae Harris
Patient Coordinator | K-Laser® Certified Assistant

DeVanae is an Oakland native who joined the Symmetry team as a Front Desk Assistant in 2021 and quickly felt right at home. With a background in customer service, she strives to make every patient interaction as easy and pleasant as possible. She has always held an interest in health and wellness which began in her youth. She was in the Health Academy in high school and was initially completing prerequisites in college to pursue nursing. After deciding nursing was not the right path for her, she moved her focus toward expanding her knowledge of healing the mind and body naturally. She knew she wanted to be in an environment where she could pursue her passion for helping others and felt happy to find her place at Symmetry.