The CAHS Leadership Team
Dr. Adrian Wenban
(Co-Founder CAHS)
Adrian Wenban brings valuable experience from his tenure as Principal of the Barcelona College of Chiropractic.
He holds a B.Sc.(Anatomy), a B.App.Sc. (Chiropractic), a M.Med.Sc. (Clinical Epidemiology) and a P.Gr.Dip.(Medical Education).
In practice for more than 33 years, he has worked in 5 different countries, was an Associate Governor of the Australian Spinal Research Foundation, from 1993 to 2004, and was the inaugural president of the Fundacion Privada Quiropractica (2007-2009), a non-profit government registered foundation, which is the legal entity representing the Barcelona College of Chiropractic.
In addition, he currently serves as a member of the ASRF's Clinical Advisory Panel and is on the editorial Board of the Journal of Chiropractic Education, a peer-reviewed scientific journal.
He has been a member of the Spanish Chiropractic Association for the last 24 years and is currently enrolled in the last year of a Master in Medical Education at the University of Dundee's School of Medicine.
Adrian's areas of interest include philosophy of science, curriculum development and interpreting peer-reviewed health care literature. He is a father of two and an avid cross-triathlon competitor. In his spare time he explores and applies sustainable farming practices as they relate to the small scale production of Almonds and Olives.
Dr. Mairianne Campbell
(Co-Founder CAHS)
Dr. Mairianne Campbell is an Associate Professor and Head of Clinical Skills at the Barcelona College of Chiropractic
She holds a B.Sc. (Kinesiology), a D.C. (Doctor of Chiropractic), a PhD (Physical Medicine and Rehabilitation), and a Certification in Integrative Nutrition & Health Coaching.
Dr. Campbell brings over 28 years of global experience in clinical practice and academia. She has taught and practiced across the Middle East, Asia, Europe, and North America in diverse settings—including private practice, multidisciplinary health centers, hospitals, healthcare colleges, training institutes, and an international medical school.
She has served as a Chiropractic Physician in Orthopedics and Neuroscience and as Deputy Director of Physical Medicine and Rehabilitation in Saudi Arabia. In Malaysia, she held a dual role as Senior Lecturer and Clinician at the esteemed International Medical School. In Canada, she practiced, lectured at the Ontario College of Health Technology, and spent several years as Lead Clinical Consultant before relocating to Spain.
Mairianne's focus is on multidisciplinary, evidence-based, and patient-centered care. She is dedicated to mentoring students in clinical reasoning and has contributed extensively to curriculum development, clinical competency design, practice protocols, and documentation standards.
Outside of work, she enjoys travel, exploring new cultures and cuisines, and spending time with family and friends.
Christine Werner
(Fractional COO CAHS,
Advisory Board Member)
Christine is a seasoned software executive with over 25 years of global experience driving growth through customer- and student-centric, data-driven strategies.
She holds an Hon. B.A. in Psychology & Statistics, a Six Sigma Green Belt with LEAN/DFSS expertise, and certifications in Global Executive and Digital Leadership.
A strategic and innovative leader, Christine has worked across the full business lifecycle—from early-stage startups to global enterprises including Intuit and PwC. She has led globally distributed, cross-functional teams across SaaS, EdTech, Fintech, and Multimedia, building scalable strategies and personalized, segmented approaches that respond to evolving customer and student needs.
Recognized for driving measurable gains in revenue, retention, engagement, and loyalty, Christine brings deep expertise in operational excellence, strategic planning, automation and AI integration, executive reporting, and cross-functional alignment.
As a former director, founder, and trusted advisor, she has guided organizations through growth, scaling, and transformation, with a focus on sustainable, long-term value creation.
Outside of work, Christine is pursuing a Master's in Nutrition and learning Spanish. She enjoys travel, music, and supporting nonprofits focused on elder care, youth development, and animal welfare.
Dr. Nikita Vizniak (Dr. Nik)
(Advisory Board Member)
Dr. Nikita Vizniak (Dr. Nik) is a professor, clinician, and author of 100+ globally used textbooks, educational posters, and resources on evidence-informed anatomy, assessment, orthopedics, exercise, nutrition, and manual therapy.
He holds a B.Sc. (Bachelors of Science), a D.C. (Doctor of Chiropractic), a RMT (Registered Massage Therapist), and an ERYT (Experienced Registered Yoga Teacher.)
Dr. Nik is internationally recognized for his practical, multidisciplinary biopsychosocial approach, he has created continuing education courses, trained tens of thousands of healthcare providers, and collaborated with universities, professional teams, and clinics worldwide. Dr. Nik is dedicated to motivational, person-centred best practices that enhance patient care and empower practitioners to learn, grow, and thrive.