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Board of Directors

Dr. Keith E. Denton, President

Dr. Keith E. Denton

Dr. Keith E. Denton is President of the Upper Cervical Research Foundation Board of Directors. Originally from Oklahoma, Dr. Denton graduated from Palmer College of Chiropractic in 1981 and later became a Diplomate of the National Board of Chiropractic Examiners. He had the rare privilege of interning with Dr. Ralph R. Gregory, founder of National Upper Cervical Research Foundation (NUCCA), and was also one of the first certified NUCCA doctors.

Dr. Denton has authored and contributed to a number of publications including the NUCCA Standards of Care and Practice Guidelines and NUCCA Protocols and Perspectives: A Textbook for The National Upper Cervical Chiropractic Association. He also is one of the few people to have co-authored with Dr. Gregory.

Dr. Denton's service and professional involvement with NUCCA during the eighties was exceeded only by Dr. Gregory himself. After the death of Dr. Gregory in 1990, Dr. Denton became editor of The Upper Cervical Monograph, the Foundation’s quarterly publication, and also helped develop and patent the Anatometer II.

He was a NUCCA instructor at Palmer College, and a professor of Post Graduate Education. Dr. Denton has been a lead instructor for NUCCA since 1982 and a member of the Upper Cervical Research Foundation (formerly NUCCRA) board for twenty-six years. He received the prestigious Ralph R. Gregory Achievement Award in 1999, and is a founding member of the Academy of Upper Cervical Chiropractic Organizations.


Dr. Marshall Dickholtz Jr., Vice President

Dr. Marshall Dickoltz, Jr

Marshall Dickholtz Jr., is one of only twenty board certified NUCCA doctors worldwide. He practices in Chicago and is an authority on the diagnosis and treatment of adults and children with headaches, musculoskeletal conditions, spinal disc syndrome, back and neck pain, and other neurologically based conditions. Dr. Dickholtz has more than twenty-nine years of experience and has treated more than 8,000 individual cases.

In 1978, Dr. Dickholtz completed his Doctor of Chiropractic degree at Palmer University with awards in radiology and leadership. He continued his education with more than 2,000 hours of NUCCA training, receiving his NUCCA board certification in 1993.

Dr. Dickholtz has appeared as a guest on numerous radio talk shows as well as local and national television programs including the Discovery Health Channel's recent “Impact Stories of Survivial” which highlighted his successful treatment of race car driver Tony Schumacher's devastating injuries.

Dr. Dickholtz is currently the director of the NUCCA certification program as well as the standards committee, and is Vice President of the board of directors for both the National Upper Cervical Chiropractic Association and the Upper Cervical Research Foundation (formerly NUCCRA). As an instructor at NUCCA seminars, Dr. Dickholtz has also authored articles and chapters on various aspects of NUCCA care and certification. He is the recipient of the coveted Ralph R. Gregory Award 2006.


Dr. David A. Packer, Treasurer

Dr. David A. Packer, Treasurer

Dr. David A. Packer graduated as a Doctor of Chiropractic from Palmer College of Chiropractic in Davenport, Iowa in 2000. He earned a B.A. and M.B.A. from University of Nevada, Las Vegas (UNLV) in 1993 and also served as a hospital corpsman in the US Naval Reserve. After graduating from Palmer, Dr. Packer moved to Seattle, Washington to train under one of the top certified NUCCA doctors in the country, Dr. Lee G. Yardley. In 2002, Dr. Packer relocated to Chesapeake, VA and has been in private practice since. In 2009, Dr. Packer earned his full NUCCA board certification and assists with teaching at the NUCCA conferences.



Dr. Robert Brooks, Director

Dr. Robert Brooks

Dr. Robert Brooks is the Chairman of the Board for the Upper Cervical Research Foundation and Director of the National Upper Cervical Chiropractic Association. His practice, Brooks Spinal Care located in Tulsa, Oklahoma, has become both a healing and training center: Fifty-four of Dr. Brooks’ patients have become chiropractors; he has trained and coached fifty-three interns to prepare them for their own practices; and has personally cared for more than fifteen thousand patients from the United States and abroad.

Dr. Brooks is a member of Delta Sigma Chi, a Chiropractic professional fraternity, and has served in numerous capacities in the Chiropractic Association of Oklahoma, the Oklahoma Chiropractic Research Foundation, the Congress of Chiropractic State Associations, the International Chiropractors Association, the Palmer College of Chiropractic Alumni Association, and as past president of the National Upper Cervical Chiropractic Association.

He received honorary degrees from Life Chiropractic College and from Sherman College of Chiropractic for his contributions to the chiropractic profession, and has served his alma mater, Palmer College of Chiropractic, in many capacities including Visiting Clinical Professor, and in virtually every office of the college’s international Alumni Association including President and Chairman of the Board. He was honored with the coveted Alumnus of the Year award in 1992.

Dr. Brooks has a seminar company entitled “Taking Care of People” to teach chiropractors and chiropractic students how to create non-toxic environments and serve in the best interest of all patients. He also teaches personal classes as a way of healing psychological and psycho-social wounds. Dr. Brooks’ life reflects his intent to be a student, healer and teacher with dignity, integrity and grace.


Dr. Gordon Hasick, Director

Dr. Gordon Hasick

Dr. Hasick has a diverse background in clinical chiropractic care, education, and television production; all with a focus on human development and enhanced well-being. He began his private chiropractic practice in Calgary in 1980 opening the Britannia Clinic where he continues to practice. He has been a board certified instructor for the National Upper Cervical Chiropractic Association since 1989. He also served as Chief Chiropractic Officer for the 1988 Olympic Winter Games in Calgary as well as Team Chiropractor for Team Canada Men's Volleyball Team.

In 1993 Dr. Hasick established C-1 Film Production Corporation®, a company that uses the creative media of live workshops, television, video and audio programs to communicate wellness information. C-1 Films® distributes programs about hope and healing, and produces projects featuring success stories from those who have overcome significant challenges and have been able to thrive. Dr. Hasick has also been a part of the faculty of Leadership Development at the Banff Centre from 2004- 2009 where he was part of a team that facilitates programs designed to build personal leadership with visions for an ideal future.

Dr. Hasick is president of the The Ralph R. Gregory Memorial Foundation (Canada) and brings his experience and dedication to the NUCCA work to support the research, education, public awareness and help ensure a strong future for the NUCCA organization.


Dr. Jeffrey Scholten, Director

Dr. Jeffrey Scholten

Dr. Jeffrey Scholten has been in private practice in Calgary, Alberta, Canada since 2001 and is a member of the Board of Directors for the Upper Cervical Research Foundation (UCRF) as well as the National Upper Cervical Chiropractic Association (NUCCA).

Originally earning a Bachelor of Science in Kinesiology in 1996 from the University of Calgary, Dr. Scholten continued his studies graduating Magna Cum Laude from Palmer College of Chiropractic in 2001. During his time at Palmer College, Dr. Scholten was inducted into the exclusive Vogt Society as recognition for exemplary personal leadership, was awarded with a Certificate of Recognition for Extraordinary Personal Action from the American Red Cross, received a Certificate of Merit for his role as an Anatomy Teaching Assistant and earned a membership in Pi Tau Delta, an International Chiropractic Honor Society.

The idea of being able to positively impact the quality of a person’s life originally led Dr. Scholten to pursue a career in health care. The tremendous patient results seen within his own practice has inspired him to devote significant time and attention to the advancement of upper cervical chiropractic. He is professionally engaged in ongoing clinical research and has had articles published in both Canadian Chiropractor and the Upper Cervical Monograph.


Dr. Lee Yardley, Director

Dr. Lee Yardley

Dr. Lee Yardley graduated as a Doctor of Chiropractic from Palmer College of Chiropractic in Davenport, Iowa in 1978, and completed his undergraduate education at the University of Auckland, Auckland, New Zealand. In addition, he was Board Certified by the National Upper Cervical Chiropractic Association (NUCCA) in 1996 and practices in the state of Washington.

Dr. Yardley is on the NUCCA faculty, teaches advanced adjusting, and developed curriculum for the Intermediate Biomechanics program introduced in 2005. He supervises and sponsors a two year post doctoral program for doctors (from all over the North American continent) with an interest in advancing their clinical skills in a practice based on the Grostic Model. Dr. Yardley serves on the standards committee for the NUCCA organization, as one of five doctors responsible for qualifying doctors for board certification. He also Chairs the NUCCA educational committee.

Dr. Yardley has also served as research consultant on a study financed by the National Institutes of Health, and as an extension faculty member for Palmer and Logan chiropractic colleges.


Dr. Kerry L. Johnson, Director

Dr. Kerry L. Johnson

Dr. Kerry L. Johnson graduated from Life University and opened Johnson Spinal Care Associates, PA in the south metro of St. Paul/Minneapolis in 1986. Together with his wife Lisa, Dr. Johnson has developed a highly successful NUCCA practice and has introduced many interns and associates to NUCCA. He serves as a part-time faculty at Northwestern Health Sciences University and has taught the NUCCA elective for the past four years. Part of his vision is to eventually see 100 NUCCA doctors practicing in MN.

Dr. Johnson is the author of the book, “I’m Sick and Tired of Being Sick and Tired”. He holds a patent on an innovative solution for plantar fasciitis. Dr. Johnson is a member of the Upper Cervical Council of the ICA and participates in a monthly research collaboration of the orthogonally based upper cervical procedures. He is a licensed minister active in mission work and serves on the boards of Innovative Outreaches United and Praise FM in the Twin Cities. Dr. Johnson loves to fish, hunt, cycle and dote on his grandchild Finley.


Dr. Charles Woodfield, Director of Research

Mr. Jim Palmer

Dr. Charles Woodfield serves as Director of Research to the UCRF Board. He was instrumental in the study design and manuscript preparation for the Hypertensions Study published in the May 2007, Journal of Human Hypertension.

His dedication to health-related services was activated after serving as a Green Beret Medic with the US Army's 7th Special Forces Group. Upon honorable discharge, Pharmacy School at UNC-Chapel Hill compelled his interest in the intellectual challenges of chemistry and biochemistry in pharmaceutical disciplines, including research. Over a ten year career in hospital and retail Pharmacy, he increasingly became aware of an unfulfilled passion.

Desiring to be of more service, Dr. Woodfield enrolled at Palmer College of Chiropractic, graduating with Research Honors in 1995. He remained at Palmer Center for Chiropractic Research conducting a clinical trial and assisted in establishment of Palmer’s Practice Based Research Network. He met Dr. Marshall Dickholtz, Sr. in one PBR project that ignited a passion for investigating the NUCCA correction for the next several years, culminating in the Hypertension Study with Dr. George Bakris. Previously, Dr. Woodfield was research faculty at Sherman and Parker College of Chiropractic.


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