Team Bios

Dr. Jeffrey K. Tunick, Clinic Director

Dr. Jeff Tunick

Dr. Jeffrey K. Tunick attended City College of New York and did his premed work at the University of Colorado in Boulder and is a 1980 Summa Cum Laude graduate of Palmer College of Chiropractic. He is a member of the Mortar Board Honor Society for his undergraduate work at the University of Colorado, and is also a member of the Pi Tau Delta International Chiropractic Honor Society.

He is a member of the American Chiropractic Association and the Oregon Chiropractic Association. Dr. Tunick has countless hours of postgraduate education in orthopedics, neurology, biomechanics, ergonomics, disability examination, physical medicine and therapeutics and clinical nutrition; as well as diagnostic imaging including MRI and CT scan, nuclear bone imaging and thermography and continues to attend post graduate education courses throughout the year. Dr. Tunick has studied with Dr. John Boren, the founder of the Lordex Spine Institute in Houston Texas, one of the foremost developers and leaders in the field of nonsurgical spinal decompression.


Dr. Thomas Grace, Chiropractic Physician

tg1Thomas Grace received a Doctor of Chiropractic degree from the University of Western States (UWS)(2015), a BA in Sociology from Gordon College in Wenham, MA (1993) and a BS in Geology from State University of New York and the University of Wyoming (2001).

During his Chiropractic training, Thomas’ love for treating under-served communities led him to clinic rotations with Volunteers of America and a UWS mission trip with Clinica de Mariposa to Costa Rica in 2015, where he treated hundreds of local patients in the San Jose area. Upon his return to the States, he joined Dr. Popovicks at Orofino Wellness Center in Idaho for a final clinic rotation.

Thomas is passionate about non operative spinal decompression and restoring function with the least invasive means possible. Dr. Grace believes that many patients with severe pain and decreased function could avoid surgery and epidural injections with a non-invasive spinal decompression program.

Thomas’ interest in cranial work began twenty years ago by listening to Dr. James Jealous DO lecture on CSF and cranial sacral therapies and has evolved through study and many hours of practice. He has recently completed his certification in SOT (sacral occipital therapy) and enjoys integrating this work into the treatment of his patients at Natural Pain Solutions.

As a clinician, Dr. Grace has a strong interest in functional evaluation and individualized treatment plans. His treatment approach uses a combination of Diversified Adjusting, Activator technique, IASTM, muscle energy techniques, nutritional and cranial sacral therapies.

Thomas’ health care philosophy was shaped by a childhood of simplicity. He was raised without electricity in a log cabin in upstate New York with a work ethic formed by daily wood chores and homework done by candlelight. As an adult, Thomas travelled to Colorado, where he became enamored with mountaineering and eventually became a rock and mountain climbing guide. Ten years of this work took Thomas to every corner of the country as well as up the Nose of El Capitan. He has held teaching certifications in both New York and California, which allowed him to bring his love for learning into the classroom. In more recent years, family became Thomas’ primary focus and that has provided him with unprecedented fulfillment.

Dr. Grace has many hours of postgraduate education in orthopedics, neurology, biomechanics, cranial – sacral, physical medicine and therapeutics and clinical nutrition; as well as diagnostic imaging MRI and CT scan.


Dr. Claudia Holderegger, Chiropractic & Rehabilitation

CHoldereggerPortraitDr. Holderegger earned her degree summa cum laude from UWS in 2003. Since then, she has dedicated herself to the exploration and research of human movement coordination. Dr. Holderegger is the only US practitioner of Spiraldynamik, a Swiss therapy based on anatomically correct movement. She is also certified in Active Release Technique (ART), Graston Technique (GT) and craniosacral therapy. Her primary treatment technique is Fascial Manipulation, which she has been intensively studying since 2012, both here in the USA, and with its founder Luigi Stecco in Italy.

In her free time Dr. Holderegger enjoys volunteering for Portland Mountain Rescue and spending time outdoors with her husband and their dog Enat, who will on most days greet you when you come to the clinic.

Cindy Anderson, Licensed Acupuncturist

cindy 2 for webCindy Anderson, L.Ac., M.Ac.O.M, Dipl.Ac. is a nationally board certified and state licensed acupuncturist with over 20 years clinical experience. A member of the Oriental medicine teaching faculty at Oregon College of Oriental Medicine (OCOM) for over 19 years. Special expertise in areas of injury rehabilitation, musculoskeletal disorders and pain management but experienced in treating many disorders. Unique expertise in the highly effective Oriental myofascial therapies of Cupping and Gua Sha. Therapies provided include, but are not limited to, scalp acupuncture, auriculo diagnosis and therapy, motor point acupuncture, electroacupuncture and traditional Chinese medicine (TCM) diagnosis and acupuncture.

Dr. Teresa Gryder, Naturopathic Practice

TheresaCroppedDr Teresa Gryder earned a doctorate of Naturopathic Medicine from the National College of Natural Medicine in Portland in 2012. She has been engaged in the study of preventive medicine since her 1988 Bachelor of Arts degree from the University of Tennessee, which focused on both Holistic Health and Philosophy. Her postgraduate studies continue in botanical medicine, naturopathic neurology and the gut-brain axis, genomic medicine (genetics), geriatrics, alternative pain management and therapeutic yoga. She is a member of the Oregon Association of Naturopathic Physicians.

In her home life Dr Gryder enjoys writing, gardening, and wilderness expeditions including whitewater kayaking. She was a river guide in a former life, and her passion for rivers takes her on adventures around the globe.


Lynn Aker, Certified Chiropractic Assistant, Licensed Massage Therapist

LynnNatural Pain Solutions is proud to have Lynn Aker join our team of health care professionals. Lynn brings a tremendous amount of experience and dedication to the healing arts and we are all excited that she has chosen to join the clinic. We encourage each of you to welcome Lynn to the Natural Pain Solutions family and if you are in need of an outstanding massage therapist then by all means schedule an appointment with Lynn.

Lynn has always had a passion for healing and rehabilitating those in need and care-taking led her to the start of her journey. While aiding in the daily comforts and routines for her clients, it inspired Lynn to pursue a more direct path into the medical field. It became quickly apparent that a career in massage therapy would allow Lynn to continue her interest in helping others while encouraging a healthy holistic lifestyle. Lynn graduated from massage therapy school in 2005 with a strong interest for the natural approach to health care. Her desire led Lynn to be a part of the Aloha Chiropractic family for the past nine years where she learned much more about the wellness lifestyle. During that time Lynn earned her chiropractic assistant certification to enhance treatment techniques in sports and rehabilitation modalities. Lynn specializes in deep tissue, craniosacral therapy, cupping, myofascial release, and trigger points.

Although she grew up in the Southwest, Lynn has lived in Oregon for over 13 years. During her time away from the office Lynn enjoys hiking, yoga, kayaking, rafting, and deep woods camping with her husband, daughter, and son.

Carol Anderson, Office Manager


Carol has recently joined Natural Pain Solutions and serves as our Office Manager and general right hand to the docs. She loves to meet and greet our family of patients and whatever problem crops up, she will do her best to solve it for you!

Carol is the proud mom of 3 children, 2 sons and 1 daughter and has been married to her fantastic husband for 4 years. She is a native Oregonian and  graduated from Forest Grove High School in the year 2000. Carol loves to help people and make their lives better so she started working as a caregiver which started her life down the path in the medical field. She graduated from Ashmead College in 2006 with a massage therapist certification. Since then Carol has been developing various skills in massage therapy and chiropractic office management. In 2011 Carol became a licensed and certified Chiropractic Assistant and has enjoyed her career path since then. Carol shares that she has been working with amazing doctors and getting to meet and treat some very special patients along the way. For fun Carol loves to go to the beach, go camping, hiking, and doing pretty much anything outdoors with her friends, family and her beautiful Golden Retriever Wyatt Earp!