Meet The Team

Personal attention, individualized care and a comfortable setting is what we’re all about. We always know you by name and offer you the best service in the business.  There’s a reason why we’re known as Vancouver, Washington’s 1st choice for Chiropractic and healthcare!


Dr. Matthew G. Cooper, DC, CF-L1 Trainer

dr_matthew_cooperDr. Cooper, Valedictorian of his class, graduated from Western States Chiropractic College (WSCC) in 2005. He is a native of the Pacific Northwest from Eugene, Oregon. After graduating from South Eugene High School, he ventured south to play soccer at the University of Redlands in southern California, but quickly realized his love for the northwest and headed back to Eugene to attend the University of Oregon where he received his Bachelor of science in Biology and Chemistry. Dr. Cooper spent the one year interim between the U of O and WSCC as a pharmacy tech and soon decided that he wanted to be involved in alternative health care and is working toward his Diplomate in Chiropractic Neurology.

In 2006 Dr. Cooper opened his own practice at Cooper Chiropractic and Massage Therapy in Vancouver Washington. Dr. Cooper has a special interest in sports injuries, auto/work injuries, rehabilitation, disc injuries, and health maintenance.

Dr. Cooper spends his free time with his wife, two daughters and two dogs. Dr. Cooper also enjoys Crossfit, wakeboarding, snowboarding, running, fishing, and camping.


Dr. Karis Cooper, DC

dr_karis_cooper_chiropractorDr. Karis graduated from Western States Chiropractic College in 2005 where she was the vice president and an active member of the Sports Medicine Club treating athletes at many local sporting events. She grew up in Vancouver, Washington and graduated in 1996 from Hudson’s Bay High School where she excelled in track as a javelin thrower. Her accomplishments in track took her south to the University of Oregon where she became an accomplished, nationally ranked, collegiate athlete. She received her Bachelor of science from the University of Oregon in Biology and Exercise and Movement Science in 2001 and is working toward her Diplomate in Pediatric and Family Wellness.

In 2006 Dr. Karis Cooper opened her own practice at Cooper Chiropractic and Massage Therapy in Vancouver Washington and has a special interest in treating pregnant mothers, children and families.

During her free time she enjoys spending time with her husband, two daughters, and two dogs. Dr. Karis’ hobbies include gardening, reading, wakeboarding, snowboarding, and camping.


Dr. Cassi Long, DC

dr_cassie_long_chiropractorDr. Cassi graduated from the University of Western States in 2014 where she was a student ambassador, mentor and tutor to her fellow classmates.  She grew up in Olympia, Washington where she loved to explore the outdoors and play soccer. Her love of the Pacific Northwest kept her close to home in Seattle, where she attended the University of Washington. She received a Bachelor of Arts degree in Linguistics and a Bachelor of Science degree in Chemistry in 2007.  After graduating, Dr. Cassi took four years off to stay at home with her two children before starting graduate school.

Her love of children is motivating her to pursue her Diplomate in Pediatric and Family Wellness and she thoroughly enjoys her daily work which allows her to treat children, pregnant mothers and families.

Dr. Cassi joined Vancouver, Washington’s Cooper Chiropractic Center in July 2014 and has been an exciting addition to the team.

Dr. Cassi spends her free time with her two children and enjoys hiking, camping, cooking and painting.

Dr. Jacob Stockton, DC
DrStockton-ChiroDr. Stockton is a southwest Washington native and Ridgefield High School graduate. He enjoys working with the general public as well as athletes of all levels in helping them reach and maintain their goals of optimal performance, mobility, and overall health through various chiropractic manipulation techniques, stretches, and exercises.

Dr. Stockton has certification in Class IV Laser Therapy and Custom Orthotics.

As a sports fanatic, Dr. Stockton enjoys spending his time outside of the office rooting for the Tennessee Titans, Portland Trailblazers, and, of course, the Washington State Cougs. He also enjoys staying active through regular exercise and most outdoor activities including but not limited to golf, boating/wakeboarding, riding his waverunner, archery, hunting, and camping.



Massage Therapy

Holly Duran, LMP #MA60034234
holly_duran_massage_therapy_vancouver_washingtonSpecialties include Deep Tissue, Auto & Sports Injury Recovery, CranioSacral Therapy, Reflexology, Sports Massage, Trigger Point Therapy, Pregnancy Massage, Gua Sha, Cupping and Relaxation Massage

Insurance accepted: Medical referral, motor vehicle accident referral and most major insurance

Hours: Monday, Wednesday, Thursday, & Friday

Holly has been practicing massage for over 12 years with certificates from the Colorado School of Healing Arts. With Holly’s years of experience, she uses a wide range of techniques and modalities which she caters to the needs of each patient. Holly is comfortable working on patients of all ages and has plenty of experience, having three children of her own! In addition, Holly is a Certified Reflexologist and MELT instructor who can be found teaching Zumba or providing massage to Hospice patients in her free time.


Massage Therapy

Len Pinkowski, LMP
Pinkowski Len PhotoLen has been a practicing, licensed massage therapist for over 20 years. He graduated from the Wellness and Massage Training Institute in Illinois (1995) and has been continuing his education ever since. Over the years Len has become a specialist in neck and shoulder injuries and postural issues. His extensive training includes Aromatherapy, Cranial Sacral and Somato Emotional Release through the Upledger Institute, Deep Tissue Massage, Kinesiology Taping, Myofascial Release, Neuromuscular Re-education, Positional Release, Sports Massage, Swedish Massage and Trigger Point Therapy.

Len is passionate about the positive healing effects of massage therapy and is especially proud to see his clients’ progression with their wellness goals. He can provide you an invigorating sports massage for fatigued, sore muscles; work with you on injury rehabilitation; or assist you in relaxing life’s stresses away. Whatever you need, Len will customize each session specifically for you.

In his downtime, Len enjoys working out, fishing, remodeling his vintage home and spending time with his wife and dogs.


Patient Services Concierge

Stephanie Copeland

Stephanie Copeland

Kim Turner

Kim Turner

Danielle Holroyd

Danielle Holroyd

Financial & Insurance Concierge

Cindy Benson

Cindy Benson