Hermann Keppler – ASNH President

Meet our President

Hermann Keppler, founder of the American School of Natural Health, has been a pioneer in the field of Naturopathy for over 30 years. He has written a number of books, published hundreds of articles and trained thousands of therapists.

Mr. Keppler is a German trained Homeopath and Naturopath. He also studied Herbal Medicine, Acupuncture and Nutrition with a specialization in detoxification and fasting, Iridology and other natural therapies.


While practicing as a Naturopath Hermann Keppler found opportunities to study natural therapies in countries such as Israel, Denmark, Switzerland, South Africa, the USA, Sri Lanka and Pakistan. These studies gave him a deeper understanding of other cultures and their approach to heal.

Colleges and Schools in Europe and USA

In 1997 Hermann Keppler relocated from Germany to England to establish the first College of Naturopathic Medicine (CNM) in London. More colleges followed across the UK and Ireland. The American School of Natural Health (ASNH) was established in the United States to meet the demand of the American market and specifically, online learners. Mr. Keppler is the President of ASNH.

Hermann Keppler - ASNH President

The Mission of ASNH

ASNH - American School of Natural Health

To deliver a high level of instruction for students in terms of excellence in teaching.


To teach students various therapies and diagnostic tools to restore the body’s diminished ability to heal itself.


To continue to raise the profile of  Natural Therapies by providing training at the highest level, in accordance with the latest advancements in the field.


To provide thorough training in Natural Therapies.

ASNH Faculty

Gemma Hurditch

Qualifications: BHS Complementary Medicine, Naturopath and Medical Herbalist

Gemma is an Australian trained naturopath and medical herbalist with a Bachelor of Health Science in Complementary Medicine. She is currently practicing in the natural therapies hub of northern N.S.W. Education, student support, nutrition and biomedical sciences are her particular areas of interest.

ASNH Adjunct Instructors

Dr. Andrew Walsh

Qualifications: Master’s Degree Oriental Medicine, BHS, Diploma’s in Applied Science, Nutrition and Herbal Medicine

Andrew studied and practiced in Hospitals, Colleges, Monasteries and private clinics in Malaysia, Thailand, Cambodia, Vietnam and China. He is a board-certified Doctor of Oriental Medicine in the US. He currently holds licenses to practice in the state of Florida and North Carolina.

Dr. Daniela Densley

Qualifications: Internal Medicine, Pediatrics, Obstetrics and Gynecology, Surgery and Family Medicine

Dr. Densley was born and raised in Arequipa, Peru, where she earned her Medical Degree. She completed her post graduate training at Henry Ford Hospital in Michigan (US). While in the United States, she gained experience in many medical fields including Internal Medicine, Pediatrics, Obstetrics and Gynecology, Surgery and Family Medicine.

ASNH Course Contributors

Short (Avocational) Courses

Jodi Cahill, Lecturer

Dr. Jodi Cahill

Qualifications: M.Tech.(Hom.)(SA), MCMA, MRN, CNHC.

Jodi graduated with distinctions in Homeopathy and studied extensively at the Durban University of Technology in South Africa. After completing her Research she qualified with a Master’s Degree in Homeopathy. Jodi has lectured at many colleges in S. Africa and Europe.

Holly Taylor, Lecturer

Holly Taylor


Holly is a qualified Nutritional Therapist with a first class honors degree in Chemistry. She practices in her own busy clinic in London and lectures regularly Biomedicine and Nutrition at the CNM, College of Naturopathic Medicine. She is also teaching Natural Chefs on how to create therapeutic menus for various conditions.

Lorna Driver, Lecturer

Lorna Driver-Davies

Qualifications: BA (HONS), HD, DHNP

Lorna is a fully qualified Holistic Nutritional Practitioner (nutritional therapy), herbal medicine dispenser and is the Director of Feel Better Nutrition. Lorna is very much influenced by her family history of natural practitioners. She is the daughter of the well-known medical herbalist Jill Davies.

Rebecca Edwards, Lecturer

Rebecca Edwards


Rebecca is an Australian born naturopath, qualified in nutrition, herbal medicine and homoeopathy. The past four years have seen her teaching at the College of Naturopathic Medicine (CNM) as a senior lecturer in Nutrition. Rebecca also works as a naturopath in two clinics in Marylebone, London and Sevenoaks, Kent. Food plays a central role in her treatment plans.

Jill Davies, Lecturer

Jill Davies

Qualifications: HNH, PHD, FAMH

Jill is a qualified herbalist and naturopath of over 30 years. She originally trained at R.H.S. Wisley and The Royal Botanic Gardens, Kew and then qualified in herbal medicine in the UK and natural healing and herbal medicine in America with Dr. Richard Schulze. Her company, which was established in 1978, was initially a commercial herb garden and small clinic, making use of a combination of her skills as a horticulturist and herbal practitioner.

Jo Gamble, Lecturer

Jo Gamble


In 2013 she graduated from the Institute for Functional Medicine with the skills to support a client by digging deep into the underlying causes of their disease. In addition to her busy private clinic in Coventry and two charities, Jo also lectures in nutrition for the College of Naturopathic Medicine, where she loves to inspire students to follow their dreams and embark on a career.