Presenters – Sydney 2017

Profile: Karl Ryberg


Karl Ryberg trained as an architect and psychologist, later studying laser biology with Professor Tiina Karu in Moscow. Karl’s speciality is therapeutic photobiology and colour ergonomics. In Stockholm, he runs the Monocrom Institute for research and treatments with colour and light. Karl also lectures internationally and has published several books. He is a founding member of the International Light Association (ILA ) serving in many capacities since 2003, and organising the 2015 Conference in Tallinn, Estonia.

Karl will present the topic: ‘Narrow Band Monocrom Light’.

Profile: Jeremy Halpin


Jeremy Halpin is an Australian based in Stockholm and has been in practice for 27 years as an acupuncturist, shiatsu therapist, healer, researcher and teacher. He has also established diploma courses in alternative medical disciplines in several countries. Jeremy is a published researcher with the Karolinksa-Huddinge Teaching and Research Hospital in Sweden in the emerging field of ‘Integrative Medicine’, combining synergies of Western and alternative medical models in clinical practice.

Jeremy will speak on the topic: ‘Light and Traditional Chinese Medicine’.

Profile: Simon Grbevski


Dr. Simon Grbevski is a Behavioral Optometrist and has lectured locally and internationally in the field. He is also founder of the Australian College of Behavioural Optometry and the Australian College of Syntonics of which he is currently President. Syntonics, or optometric phototherapy, deals with the application of selected light frequencies through the eyes, and Simon works with children with learning difficulties and on the autism spectrum, using coloured filters and syntonic phototherapy and ambient (micro) prisms.

Simon will present the topic: ‘Principles of Syntonics’

Profile: Thelma van der Werff


Thelma van der Werff is originally from the Netherlands and now lives in New Zealand. She is a colour therapist, author and developer of the Colour Comfort Method. The method uses colour psychology to interpret the language of colour in order to gain insight into yourself and others, and to identify and re-programme subconscious behaviour.  Thelma’s goal is to make the language of colour available and beneficial to everyone .

Thelma will speak on the topic: ‘Colour and Insight’

Profile: Simon Cribb


Simon Cribb began working with light and colour 25 years ago, treating pain holistically using techniques based on Peter Mandel’s Colorpuncture. A physiotherapist and acupuncturist, and with training in other healing modalities, Simon employs a variety of approaches in his work. The protocols he developed using light are grounded in science, but inspired by bio-energetics. His clinical practice in Bunbury, WA combines these conventional and alternative methodologies.

Simon will present the topic: ‘Phototherapy: Light is Life”.

Profile: Janet McDonnell


Janet McDonnell has been an Aura-Soma International teacher and practitioner since 1992.  Based in the Central Coast, Sydney, her years of experience have been the catalyst for her students to apply the multi-dimensions of colour for their personal growth and wellbeing. Janet is dedicated to enriching the lives of others through colour and energy in her consultancy work, where she is also a Monocrom Light Practitioner.

Janet will speak on the topic: ‘The Energy of Colour and Aura Soma’.

Profile: Simon Hansen


Simon Hansen is a teacher, but had to give up teaching some years ago because of Multiple Sclerosis. A part of his recovery from MS was receiving colour light therapy. This was so successful that he was able to return to teaching and is now trained in the Samassati approach to colour light therapy.  Simon has a practice in McLaren Vale, SA with particular interest in the use of light in education and health and a focus on chronic disease management including MS.

Simon will present the topic: ‘The Art of Samassati’.