Click below to meet our doctors, or scroll down to meet the staff.
Dr. Terry Weyman
Clinic Director, Doctor of Chiropractic, Certified Chiropractic Sports Practitioner, Chiropractic Sports Institute
Dr. Terry Weyman lives in Southern California where he has been the Clinic Director of Chiropractic Sports Institute for over 31 years. He graduated from Chiropractic College in 1989 from Cleveland Chiropractic College-LA and received his CCSP in 1991. In 2003 he finished his Sports Medicine internship at the Olympic Training Center in Colorado Springs and in August of 2005 he was selected by the USOC to be the Team USA Chiropractor at the World University Games in Izmir, Turkey.
Dr. Weyman has been the Chief Medical Director of many professional and top amateur athletic events including the Professional Water ski and Wakeboard tour, Rodeo and Four winds Adventure Race. He has also been the Team Chiropractor for the National cycling team, and Team Luna Womens mountain bike team. In 1994 he was the Norwegian Alpine Ski Team Chiropractor for the 1994 Winter Olympics held in Lillehammer Norway. Dr. Weyman has been a post graduate faculty member of two Chiropractic colleges and an instructor for both CCSP and Diplomate sports programs held across the US.
Currently Dr. Weyman works with Pepperdine University overseeing all athletic teams alongside athletic trainers. He also lectures on Chiropractors roles in Sports related injuries both Nationally and Internationally. He has Authored more than 20 publications, magazine columns and 2 book chapters.
Dr. Aaron Schneider
Doctor of Chiropractic, Chiropractic Sports Institute
Dr. Aaron Schneider is a Southern California native and received his doctorate from Palmer College of Chiropractic in San Jose. Since graduating in 2017, he has practiced in several clinics in California, honing his chiropractic skills and getting training in various techniques and practice styles. Prior to chiropractic school he was the rehab specialist here at CSI and now he is back where he started.
Dr. Aaron has a particular love for working with the head and the feet (the two ends of the body), and specializes in TMJ dysfunction, headaches, cranial work and anything extremities. He believes that by restoring the natural motion of ALL the joints in the body, and thus restoring the ideal communication between the brain and the body, it is able to heal itself and thrive. Knowing this, he truly works from head to toe to make sure your body is moving as efficiently as possible. And if you spend enough time with him you’ll soon realize that he not only treats patients with this philosophy, he lives it.
Luka Mentzer, M.S.
Exercise/ Corrective Therapist, Chiropractic Sports Institute
Luka Mentzer has been an Exercise Specialist at CSI since 2018. He has a Bachelor’s Degree in Exercise Science, and a Master’s Degree in Exercise Physiology. Throughout Luka’s academic career, he has had various internships and work experiences that provided him the opportunity to work with diverse populations. He worked in CSUN’s motor development lab to help create and implement exercise programs for young children, he interned at Proactive Sports Performance where he worked with professional athletes, and he was the exercise director for a public health community exercise program where he created exercise programs for people with diabetes and those who were high risk for developing it. He also has a certification from Titleist Performance Institute for golf mechanics. While earning his master’s degree, he was concurrently teaching exercise physiology at CSUN, and was a guest speaker at George Washington University to promote the field of public health. Luka’s overall goal is to help individuals improve their movement capabilities through exercise and a healthy lifestyle.
Michele Weyman
Corporate Office Manager, Billing Specialist, Chiropractic Sports Institute 
Michele is a graduate of California Lutheran University where she received her B.S. in Psychology. She joined the staff in late 2004 as our Office Manager. Prior to joining the CSI staff, she worked for State Farm Insurance Company for several years in the field of claims. She is well versed in the knowledge of insurance and care.
She has been associated with the Chiropractic profession for over 30 years and brings a sense of organization with an emphasis on patient care. She is multiversed in everything from Chiropractic Care for Children to Care for the athlete.
Michele loves spending time with her husband, Dr. Terry and their 2 boys and dogs. Her passion for Chiropractic can be seen and heard when visiting our office. She will be more than happy to brighten your visit with a smile and a laugh.
Mikaella Villepigue
Front Office Administrator, Chiropractic Sports Institute
Mikaella is a licensed esthetician with more than 18 years experience. After 10 years, she has come back to rejoin our family here at CSI! During that time, she played a major role in opening and running a successful boot camp gym. While there, she was able to share her passion for holistic, organic body care, and help people make healthy choices to get back in shape.
In her spare time, she enjoys reading, crossword puzzles, hiking and especially cooking and baking for her family and friends.
If you have any questions regarding our office or your visit, please do not hesitate to call and ask for Mikaella. She is dedicated to making your experience with CSI a pleasant one.
Chelsea Ruggiero
Chiropractic Assistant, Chiropractic Sports Institute
Chelsea is a 2018 graduate of Newbury Park High School. While attending high school, she worked as a student trainer in the training room helping athletes at their sporting events for all 4 years. During her senior year, she would assist at CSI’s injury clinics for High School athletics, showcasing her love of sports, and healing. She was hired on at CSI in 2018 as a chiropractic assistant and administers certain modalities and therapies to patients.
DUG
CSI Therapy Dog
Dug has brought many smiles to patients faces and been requested to stay in treatment rooms if possible. He currently has a staring role in Dr. Terry’s Instagram feed for his podcast, so make sure you check him out on ‘Crackin’ Backs Podcast’.
If you want to meet the happiest dog ever, come by and give some attention to Dug!
FINN
CSI Therapy Pup
With the loss of our beloved Bailey, our office needed another dog. Our newest Pup to add to the therapy mix is Finn, our 7 month old Golden Retriever and he is full of love! Come say hi and give him a pet or have him hang with you during treatment. He is calm and gentle and learning so fast.