Kai Haselmeyer (DC) is a leading figure in modern chiropractic. As the developer of the Harmonic Integration System and his own tonal Upper Cervical method, he is setting new standards in the art of chiropractic care. He is also the author of the first comprehensive chiropractic technique textbook in the German language, the book “Chiropraktik – Hintergründe und Wissenschaft” (“Chiropractic – Background and Science”), as well as “Das Geheimnis Innerer Balance” (“The Secret of Inner Balance”).

As founder of 4Life Chiropractic in Göttingen and scientific director of the Chiropractic Campus Hamburg, he is committed to the further development of chiropractic training. His expertise makes him a sought-after speaker and lecturer throughout Europe.

Dr. Patrick Sim (DC) is a leading voice in chiropractic care in Australia – a visionary, educator, and trailblazer. As President of the Australian Chiropractic College and former President of the Chiropractors’ Association of South Australia, he has shaped the development of chiropractic for decades with a clear focus on philosophy and holistic well-being.

In 2025, under his leadership, the ACC celebrated its first graduating class – a milestone for chiropractic education in Australia. Named ACA Chiropractor of the Year in 2024, he brings not only experience but also heart, depth, and vision to the stage.

Dr. Naomi van Veen (DC) is a remarkable figure in the international chiropractic community. As a two-time President of the WCCS, she made history and became the voice of a globally connected and passionate student body.

A graduate of the Welsh Institute of Chiropractic, she combines clinical excellence with international leadership. Featured in media outlets such as RTL Nieuws, she is committed to raising awareness about health – especially in light of the challenges posed by our modern, unhealthy lifestyles.

Dr. Grant Dennis (DC) is a leading voice in the field of Upper Cervical Chiropractic – known for his unique blend of clinical excellence, entrepreneurial vision, and global engagement.

As Chief Operating Officer of The Specific Chiropractic Centers, he has helped build a network of 15 clinics across the United States. In his role as Chairman of the IFCO, he advocates for chiropractic on an international level.

His bestselling book A Life Without Migraines reflects his passion: helping people reclaim their health naturally. Whether as a mentor, speaker, or on outreach trips to underserved regions – Dr. Dennis embodies true leadership in chiropractic care.

Dr. David Fletcher (DC) is one of the most innovative voices in modern chiropractic care – internationally renowned for his work at the intersection of technology and the healing arts.

As CEO of CLA, he developed the INSiGHT scanning technology, which enables chiropractors worldwide to objectively assess and visualize nervous system function. This has elevated patient communication to an entirely new level.

His inspiring talks encourage a wholehearted embrace of a neurologically-centered approach to chiropractic – grounded in science, measurable, and forward-thinking.

Dr. Andrew McCracken (DC)discovered the power of chiropractic at the age of 15 – an experience that changed his life and shaped his professional path.

A graduate of the New Zealand College of Chiropractic, he was honored with the “Gold Award” for excellence and won the global “Talk the 'TIC” speech competition in 2014.

Through his practice, Kiwi Chiropractic in Düsseldorf, he supports people of all ages in their development – from children to business leaders.

Dr. Didrik Winsnes (DC) combines extensive chiropractic expertise with a global perspective. After starting his career in Norway, he went on to establish two successful practices in the Netherlands before founding TOPCHIRO Lysaker in 2024 — the first principled chiropractic practice of its kind in Norway.

As a board member of the IFCO, he is actively committed to advancing subluxation-based chiropractic worldwide. He also supports young chiropractors through regular community calls — practical, open, and on equal footing.

Didrik represents a modern form of chiropractic care that embodies clarity, integrity, and growth.

Dr. David Serio (DC) is a chiropractor, bestselling author, and founder of Vida Chiropractic Worldwide, with over 20 centers in Argentina, Brazil, and Chile.

He represents a powerful fusion of philosophy, practice, and personal development. His books “33” and “The Triune of the Chiropractic Practice” are considered modern classics.

As a coach, he supports more than 35 chiropractors monthly on their journey toward greater clarity and impact.

In 2023, he was honored with the Spirit of Sherman Award.

Now, he's coming to the Global Summit 2025 – live in Frankfurt.

Dr. Tom Dirksen (DC)
Member of the Academy of Chiropractic Philosophers · Expert in NeuroInfiniti

Dr. Tom Dirksen (DC) lives and works in Greece and is known for integrating modern neurological diagnostics into chiropractic practice.
He works with the NeuroInfiniti system, which makes stress responses and nervous system function measurable through biofeedback and neurofeedback data.


Using this approach, he develops individualized, targeted treatment plans.
His expertise in functional neurology and his commitment to evidence-based chiropractic care make him a key voice for anyone interested in the intersection of technology and chiropractic.

Dr. Ana Echeveste (DC) runs her practice in San Sebastián with heart and a deep understanding of the body’s innate intelligence. In her work, she combines clinical clarity with a compassionate, grounded presence that leaves a lasting impression on both patients and colleagues.


Many also know her from her years as a lecturer at the Barcelona College of Chiropractic, where she guided and inspired future chiropractors.


Ana stands for a kind of chiropractic that connects – professional, human, and clear in its philosophy.

Sharaf Beitar is considered one of the most renowned chiropractors in Europe. With his practice in Friesoythe, he has made a name for himself not only regionally but also internationally. Every week, up to 1,000 patients place their trust in his exceptional expertise and holistic approach.

His knowledge goes far beyond therapeutic work—especially in the areas of practice management, CA training, chiropractic philosophy, and mindset, he is regarded as a true expert.

Sharaf Beitar combines in-depth expertise with a clear vision: to share chiropractic care as a key to greater quality of life and long-term health with the world.