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Owner + Director of Clinical Development

As an experienced musculoskeletal provider, Dr. Eric Dickerson, DC FRCms, integrates functional rehabilitation, physical rehabilitation modalities, joint mobilization/manipulation, and advanced soft tissue techniques to craft a comprehensive approach to your health. He emphasizes individual needs to help you develop optimal functional movement and reach your goals.

Before joining Radius, Dr. Dickerson, DC FRCms, managed a team of doctors in Seattle where he helped patients recover from pain and injuries ranging from plantar fasciitis, frozen shoulder, and rotator cuff tears to low back pain, hip pain, and rehabilitation of post-surgical conditions. He follows the latest evidence and peer-reviewed research to guide the care he and his team deliver. Seattle Met Magazine recognized him as a Top Doctor in his category. With an effective care model and countless patient success stories, in 2017, he moved from Seattle, WA, to Grass Valley, CA, to deliver high-quality care in the Sierra Nevada foothills.

Dr. Dickerson, DC FRCms, earned a Bachelor of Science in Kinesiology from Arizona State University and earned the prestigious Academic Excellence award during his doctorate program at Palmer College in Iowa. While a member of the Sports Council at Palmer, he minimized injuries in athletes through pre- and post-event treatment. As Vice President of the Palmer Package Club, he excelled in training others in chiropractic techniques, orthopedic and neurological examinations, and rehabilitation/exercise protocols. And, through Palmer, he provided chiropractic care in Salvador, Brazil, as a humanitarian aid worker, where he gained an acute awareness of the cultural disparity in healthcare. He graduated from Palmer Magna Cum Laude with a Doctorate of Chiropractic degree. After graduation, he co-managed patient care in collaboration with a medical doctor outside of Chicago, Illinois.

Dr. Dickerson, DC FRCms, is originally from the Chicago metropolitan area. As an avid enthusiast of healthy and physically active living, you’ll find him anywhere he can get outside and move. He has particular interests in golf, basketball, soccer, softball, hiking, and exercising, although most of his days are now spent recreating with his toddler daughter, Kennedy.

Owner + Director of Clinical Development As an experienced musculoskeletal provider, Dr. Eric Di... Read More

Ronja Giesser joins Radius with over 12 years of experience. She received her massage training at the acclaimed Hawaiian Islands School of Massage in 2009. She has a special passion for helping people reduce pain and stress in their lives through therapeutic bodywork.

Ronja’s work focuses on the treatment and prevention of musculoskeletal dysfunction and pain using myofascial release, trigger point, and neuromuscular techniques as well as Swedish massage, Lomi Lomi, Sports Massage, and Deep Tissue massage.

When she is not helping people relax and return to optimal functioning, you can find her dancing in the air on aerial fabrics or enjoying the great outdoors.

Ronja Giesser joins Radius with over 12 years of experience. She received her massage training at... Read More

Dr. Chris Whalen, DC, FRCms is a highly knowledgeable Doctor of Chiropractic and rehabilitation specialist with a proven track record of helping patients achieve their health and fitness goals. With his doctorate degree from Palmer College of Chiropractic West, Dr. Whalen brings a wealth of expertise to his practice, ensuring that his patients receive the highest quality of care.

Before pursuing a career in musculoskeletal rehabilitation, Dr. Whalen honed his skills as a personal trainer at 24 Hour Fitness, where he gained a reputation as a coach who could help clients improve their strength and athleticism. He also earned a Bachelor of Science degree in Kinesiology with an emphasis in Exercise Science from Sonoma State University and gained valuable hands-on experience as an intern in a Physical Therapy clinic.

At Palmer College of Chiropractic West, Dr. Whalen was a valued member of the Rehab 2 Performance Club and a dedicated teaching assistant for physical therapy and rehabilitation courses. He has also provided treatment to athletes at various athletic competitions, including the first ACA Sports Council event after the pandemic.

With a lifelong passion for physical activity and a commitment to helping others achieve their health goals, Dr. Whalen is dedicated to helping his patients achieve their best possible health. Whether you’re recovering from an injury, looking to improve your strength and athleticism, or simply seeking to live a healthier and more active lifestyle, Dr. Whalen has the expertise and experience to help you achieve your goals. He is excited to bring his skills to the small town of Nevada City, where he is eager to help local residents achieve their best possible health.

Dr. Chris Whalen, DC, FRCms is a highly knowledgeable Doctor of Chiropractic and rehabilitation s... Read More