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 member of the Symmetry team. She has proven to be a true leader, providing clear direction and system implementation for our ever expanding staff of health care providers and assistants. Symmetry’s rapid growth and on going expansion of services are due in part to Lisa’s ability to manage a strong team.

Lisa has over 20 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.

Dr. Cameron Penta, D.C.
Chiropractic Case Manager | Team Leader | ScoliBalance® Certified Provider

Dr. Cameron Penta D.C. received his doctorate from Life Chiropractic College West in June of 2017. This Journey began in High School, when Cameron sustained multiple injuries while participating in sports. This lead him to receive the care of a Physical Therapist. From this experience, he chose to follow through and pursue a Physical Therapy Doctorate. This quickly changed when he met a Chiropractor redirected his view on how to heal the human frame. From that point forward, Dr. Penta shadowed multiple Chiropractors before making the ultimate decision to in fact become a Chiropractor. During his studies as a Chiropractor, Dr. Penta realized his potential for helping others through many different modalities.

Dr. Brian Lee, D.C.
Treating Chiropractor | Alameda and Oakland Locations

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. He is also working toward certification in the ScoliBalance® method to better support patients with scoliosis and thoracic hyperkyphosis.

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

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 | 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 | 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.

Ryan Mahrt
Patient Coordinator | K-Laser® Supervisor

Ryan has been with Symmetry Health Center since May 2014 and has been in the field of chiropractic since 2009. Growing up, he always wanted to work in the health and wellness industry. He is passionate about providing excellent service to patients in support of their journey to improved health.

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.

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.