Academy Speakers

Our Academy is driven by the expertise and passion of our lecturers. Each of them brings not only deep professional knowledge, but also years of hands-on experience and a genuine passion for sharing it. On this page, we introduce the people behind our courses – their backgrounds, their focus areas, and what motivates them.

Our Paracelsus Academy Director

Dr. rer. nat. Sonja Lewandowski, PhD

Dr. Sonja Lewandowski is a leading expert in nutritional physiology, lifestyle medicine, and particularly the human microbiome. She holds a strong academic background in biochemistry, physiology, and nutritional therapy, which she combines with a passion for evidence-based health education.
Her academic career includes a postdoctoral fellowship in the field of kidney stone research, microbiome science, and lifestyle-related diseases. She has published 10 peer-reviewed scientific articles and has been honored with three scientific awards for her contributions to medical research.

As Director of the Paracelsus Academy, she brings both deep scientific insight and practical, therapeutic guidance, empowering participants with the tools to support healing and lifelong health through the lens of biological medicine.

Our Course Directors of Paracelsus Academy

Prof. Dr. med. Claus Muss

Prof. Dr. Dr. Claus Muss, MD, is an internationally recognized expert in Biological, Functional and Integrative Medicine. His extensive academic background and clinical experience have established him as a leading figure in Preventive and Longevity Medicine across Europe.
As Founder, President, and Board Member of several European Medical Societies for Preventive Medicine, Prof. Muss has significantly contributed to advancing holistic and evidence-based approaches to health optimization and disease prevention.
In his role as Professor and Head of the Institute of Health Science at the University of Warsaw and Public Health in Bratislava, he continues to promote innovative education and research in Biological Medicine.
Prof. Muss also serves as consultant and medical director of Functional Medicine clinics in Vienna (Austria), Lucerne (Switzerland), and Konstanz (Germany). His medical philosophy centers on understanding the body as an interconnected system—where the balance of body, mind, and soul is key to long-lasting health and vitality.

Dr. Nils Thoennissen

Dr. Nils H. Thoennissen, MD, serves as Content Director of the Academy, bringing more than two decades of international clinical, scientific, and educational experience in hematology, oncology, and regenerative medicine. Widely recognized for his evidence-based approach and pioneering work in translational medicine, he combines academic excellence with a clear vision for the future of integrative healthcare education.
As a distinguished physician and researcher, Dr. Thoennissen has held senior clinical positions at leading university hospitals in Germany and has contributed extensively to advancements in hemotherapy, cancer treatment, and regenerative therapies. With more than 40 peer-reviewed publications in renowned journals such as Blood, Leukemia, and the Journal of Clinical Oncology, his work has influenced international medical standards and improved patient outcomes worldwide.
Through his leadership, the Academy offers a unique bridge between classical medical science, innovative biotechnology, and holistic treatment strategies, empowering practitioners with knowledge that is both clinically relevant and future-oriented.

Speakers

Shaji Adathala, Therapist

Shaji Adathala is the Head of Therapy and specializes in medical massage, IHHT (Intermittent Hypoxic-Hyperoxic Therapy), and local hyperthermia. His extensive experience and expertise make him a valuable resource for seminar participants, who benefit greatly from his hands-on knowledge. He offers individually tailored therapeutic approaches aimed at improving physical health and overall well-being.

Sonja Bacus, Nutritionist

Sonja Bacus is a nutrition and micronutrient specialist who is deeply committed to promoting a healthy lifestyle. With her solid expertise and practical experience, she supports individuals in optimising their dietary habits and achieving a balanced micronutrient status. Her extensive experience makes her a valuable asset for seminar participants, who can learn greatly from her insights. Her consultations focus on supporting long-term health goals in people with chronic conditions and enhancing overall well-being.

Dr. med. Elvira Boschmann, MD

Dr. med. Elvira Boschmann is a recognised expert in PRP therapy, active aging, regeneration, and pain management, as well as our experienced apheresis physician. Her clinical practice has achieved significant advances in pain treatment. She provides valuable insights into the latest developments and techniques for promoting holistic health.

Prof. Tilman Fritsch, Dentist

We are pleased to introduce Prof. med. dent. Tilman Fritsch, who has established multiple dental practices in Germany, Austria, and Switzerland since 1996. In 2004, he took over the dental laboratory metallfrei.com, which specialises in alternative prosthetics with a strong focus on minimising toxins in dentistry and dental technology. In 2008, Prof. Fritsch developed the NAM principle (Neurobiology/Anatomy/Metabolism) and NAM dentistry, emphasising the integration of neurobiology into dental medicine and the connection between oral health and overall well-being. Since 2011, Prof. Fritsch has served as a professor and lecturer at various international universities, including Stavropol State Medical University, Warsaw Management University (WMU), and i-Gap. As the author of several books and scientific publications, we are proud to welcome Prof. Fritsch as a distinguished lecturer at the Paracelsus Academy, where he teaches on the importance of dental health and its impact on overall health.

Yvonne Herzog, Nurse

Yvonne Herzog, our nursing specialist and expert in infusions and heat therapies, brings a wealth of practical know-how to seminar participants, thanks to her extensive experience at the clinic. Her professional expertise and compassionate approach ensure top-quality care and therapy for our patients, significantly contributing to their recovery and well-being.

Sabine Hockenjos, Pharmacist

As the co-owner of the Paracelsus Pharmacy, Sabine Hockenjos is an experienced specialist in holistic medicinal products. With many years of expertise in homoeopathy, spagyric medicine, and the preparation of individualised compound formulations, she plays a central role in the integrative care of our patients.
In her seminars, she conveys in-depth knowledge on the use of natural remedies—from classical homoeopathic medicines to personalised formulations tailored to the needs of people with chronic conditions.
Her deep understanding of traditional healing methods, combined with strong pharmaceutical expertise, makes her an indispensable voice in both the teaching and clinical practice of Biological Medicine.

Eric Kimbles, Naturopathic Doctor

As a licensed naturopath specializing in Biological Medicine and holistic cancer treatment, Eric Kimbles has made a significant impact in the healthcare field. His expertise in epigenetic testing offers new insights and approaches to improving individual health. Seminar participants can gain substantial knowledge from his experience and professional expertise.

Dr. Scott Lim, MD

Meet Dr. Scott Lim, a physician who has risen to the forefront of Biological Medicine. After completing the certified seminar program in 2016, including an internship at the Paracelsus Klinik, he has redefined healthcare and has already opened his fourth Biological Medicine Center in Malaysia. In his daily practice, Dr. Lim integrates the principles of Biological Medicine to provide holistic and personalized care. Using advanced diagnostics, genetic testing, and targeted therapies, he delivers precision medicine tailored to each patient’s genetic profile and clinical presentation, optimizing treatment outcomes and enhancing quality of life. Driven by a commitment to continuous education, Dr. Lim stays up to date with the latest advances in Biological Medicine. We are proud to have him teach at the Paracelsus Academy, sharing his knowledge and experience with healthcare professionals.

Renate Liu, MD

Renate Liu has been practicing at the Paracelsus Clinic for over 25 years and has played a key role in the development of our approach to Biological Medicine. Her extensive experience and dedication to holistic health have made her a highly respected figure within our medical community. We look forward to benefiting from Renate Liu’s expertise and learning from her unique insights.

Pascual Sabater-Zürcher, Therapist

Pascual Sabater brings extensive therapeutic experience and ongoing advanced training in massage and holistic therapies to his work at the Paracelsus Academy. His approach is holistic, placing the well-being of the whole person at the centre of care. Each therapy is individually tailored to the needs of the patient, with the aim of promoting sustainable healing and long-term balance.

Gunnar Reifert, Dentist

As a lecturer at the Paracelsus Academy, we benefit from Gunnar Reifert’s extensive experience as a Biological Dentist since 1988. At Paracelsus Dental, he offers his patients a unique specialisation, combining Biological Dentistry with bioresonance and biophysical monitoring. His profound understanding of Traditional Chinese Medicine allows him to use dental interference fields as a diagnostic tool to detect chronic conditions that may be overlooked by conventional methods. Thanks to his comprehensive knowledge and long-standing experience, Gunnar Reifert treats his patients with an impressive track record of success.

Our Speakers from China

Prof Shuyan Wang, MD

We are proud to welcome Prof Shuyan Wang, Medical Director of the Functional Medicine Centre in Beijing, China, as a guest lecturer at the Paracelsus Academy. She is an expert in the field of Functional Medicine with multiple publications and will speak primarily on cardiovascular diseases, active aging, and preventive Biological Medicine.

Dr Xiaolin Wang, MD

The internist from China is a specialist in Functional Medicine and will share his expertise on regeneration, metabolic issues, and lifestyle-related health matters.

Prof. Yang Yuan, MD

Prof. Yang represents our Academy in China, integrating functional medicine with cellular technology to deliver personalized care in hormone balance, chronic disease management, and anti-aging. A prolific researcher in regenerative science, Prof. Yang investigates disease modeling and anti-aging repair mechanisms through stem cell and exosome therapies and has published 40+ papers in international SCI-indexed journals.