Our Team

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About Dr. Steve, CEO, DC

Dr. Stephen Grennan D.C. is a renowned expert on Occupational BioMechanics & Injury Prevention Programs. He began his career with a degree in orthopedic chiropractic and a doctorate in orthopedic chiropractic from Sherman College in South Carolina. For 20 years, Dr. Stephen Grennan has helped companies and workers fight the financial and human costs of Musculoskeletal Disorders occurring in the workplace.

Since 1999, Dr. Grennan and his team have worked with the leaders of industries to create specific injury prevention programs with a focus on:

  • finding solutions for discomforts
  • providing advice and tips for daily prevention habits
  • educate employees on how to prepare for overextension
  • stretches for individual needs

Dr. Grennan has worked with 21 industries and written 23 separate injury prevention booklets. He is passionate about finding solutions for employees, offer a better quality of life for employees, and assist companies in creating safer work environments.


Amanda Hill COO, CPT, CES, FMS

Amanda Hill came to BHC with a background in medical office management and several years’ experience working in the fitness industry. Starting as an executive assistant in 2009, Amanda has worked to bring BHC to where it is today from Hawaii to Georgia.
As the COO, Amanda is taking BHC to the next level of helping the Industrial Athlete through our website, social media outlets, and nationwide expansion.

A NASM Certified Personal Trainer and Corrective Exercise Specialist, Amanda uses her fitness and injury prevention knowledge to develop the new stretching and strengthen programs for companies involved with the Back@Work program.

Amanda takes pride in her role at BHC and her role in educating employees all over the nation about the importance of overall health and wellness as well as preparing the body for specific job tasks. With the help from Amanda, BHC can continue to grow and educate companies on the importance of taking a proactive stance to avoid injuries.

Schae Tavita

Schae-Marie Tavita LMT, IPS, Director of Operations Hawaii

Schae grew up watching her dad and many other family members work tirelessly in the Industrial Industry. Schae wanted to find a career that would help her give back to her community. Thus, finding her passion in Massage Therapy, she obtained her license from Kapiolani Community College in 2020. As a massage therapist, Schae can offer a hands-on approach to help various groups of people with their discomforts by using assisted stretching as her primary technique. Schae’s primary mission is to help those in her community feel better and have a better quality of life.

Mariel Tagg

Mariel Tagg, Health & Fitness Industry

Mariel Tagg came to BHC with eight years of experience in the health and fitness industry, working closely with sports doctors. She has been a full-time licensed massage therapist for several years with a clinical education in exercise science and recovery.

Mariel believes in a holistic approach to recovery and the body’s ability to heal itself. Through listening to the body and thoughtful communication, she believes in an individualized plan for every patient. Her goal is to assist every physically active person in living their everyday life to the fullest potential and without discomfort. She enjoys focusing on the fascial planes and anatomy trains to help the body remember how to work as the cohesive, efficient vessel that it was born to be.

Xavier Harris

Xavier Harris, Personal Training & Conditioning

Xavier Harris came to BHC after spending four years at Fairleigh Dickinson University as former Division 1 collegiate basketball athlete. After suffering a career ending knee injury, Xavier became intrigued with the body and its functions in relation to activity. This lead him into the world of personal training and conditioning. Xavier serves as the advocate for cleaner eating and its correlation to our bodies in turn effecting its level of activity. His goal is to facilitate the pursuit of a happy healthier lifestyle.

Aolele (Lele) Taulupapa 500px

Aolele (Lele) Taulupapa, Injury Prevention Specialist

Growing up in Hawaii, Lele was always physically active and found passion in the sports activities she participated in. While playing sports and participating in P.E in high school, she began to understand the importance of taking care of the human body physically. This drove her to pursue a bachelor’s degree in Exercise & Wellness from Brigham Young University Provo. After obtaining her degree, she now has a deeper understanding of the importance of how proper exercise, a well balanced nutrition, and consistency can be beneficial to your overall well-being. Lele’s aim with BioHealth Care, LLC is to get patients feeling better than before they came in.

Jennifer Bull, LMT, Injury Prevention Specialist 285px

Jennifer Bull, LMT, Injury Prevention Specialist

Born and raised in Waialua/ Wahiawa, HI. Jen was a competitive swimmer and water polo player growing up for many years. This intrigued her in getting a BA degree in Health and Physical Education. She then went on to join the U.S Coast Guard where she became a Corpsman and Physical Therapy Technician, giving her 10 years of medical experience. While being a Licensed Massage Therapist, Jen became fascinated with the body’s musculoskeletal system.  With her experience and knowledge, she discovered that most bodily discomforts come from overuse of muscles and joints. With a holistic approach,  she truly believes being more mindful of your posture, body movement, and with proper care and treatment can make a world of difference.

Alyssa Takeshita LMT, Injury Prevention Specialist

After being told of having unique strength in her hands, Alyssa attended Hawaii School of Professional Massage in 2017. With this, she found her purpose to help other improve their well-being by reducing stress, muscle discomfort and increased relaxation. Alyssa has gained experience in both spa and clinical settings and has continued to learn new techniques throughout her career. She enjoys helping people create a better quality of life with improved circulation and range of motion.

A New Stretching Program for You.