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About Us

Our team of certified building biologists come from diverse backgrounds but share a strong dedication to applying the best practices and safe standards of building biology. Building biology is the art and science of studying building structure, geography, electromagnetic fields, and air and light quality that make up the environment of our home or workplace. Factors in the home environment can affect health and well-being. It is our mission to provide support for creating the best environment for good sleep and healthy living.


In 2015, Building Biology Central Ltd launched its unique home visit services which included EMF and Geopathic Stress assessments and New Home Search. In 2020 we have expanded our team and added new services. For details please click Home Services or Solution Services.


To browse electromagnetic field (EMF) protection and biofield forming products, please click Shop. To learn more about building biology, tips for healthy homes, and the use and comparison of EMF products, please click Learn More for choice of contents. For all inquiries please click Contact Us.  


Jasper Ip  

Jasper holds a Master of Science in Environmental Partnership Management from University of Aberdeen, UK, and a Bachelor of Science (First Class Honours) in Applied Biology from Hong Kong Baptist University. Before joining Building Biology Central Ltd as a certified building biologist, Jasper was a senior research assistant in the Geography Department of Hong Kong Baptist University. He focused on research in renewable energy and smart grid development in Asian cities, co-authoring a number of published papers. His past experience included environmental services, corporate training, student workshops, research into policies, building energy codes and recycling, and community services. 

Ruth Ng  

Ruth holds a bachelor degree from Canada’s University of British Columbia, majoring in nutrition. She worked as a dietetic technician in Vancouver’s Holy Family Hospital and then as senior nutritional adviser for Hong Kong’s Integrated Medicine Institute, before joining WeHealth Ltd as a co-founder, bioresonance therapist and nutritional consultant in 2014. Building Biology Central Ltd welcomes Ruth on board as a certified building biologist. She will focus on assessing geopathic stresses in homes or offices.  

Canny Leung  

Canny holds a bachelor degree from Canada’s University of British Columbia, majoring in psychology and family studies. She also has a diploma in Occupational Safety and Health from the Open University of Hong Kong. She worked in the human resources division of the Hospital Authority before joining health and wellness company Just Resonance Ltd as a bioresonance therapist in 2015. Building Biology Central Ltd welcomes Canny on board as a certified building biologist. She will focus on assessing geopathic stresses in homes or offices.

Chan Shu Hang (Tree)

Tree holds an Advanced Certificate in Nutrition from HKU School of Professional and Continuing Education, and is a professional member of the American Naturopathic Medical Association. He worked in the health and nutrition sector before joining WeHealth Ltd as a bioresonance therapist in 2016. Building Biology Central Ltd welcomes Tree on board as a certified building biologist. He will focus on assessing EMF and geopathic stresses in homes or offices.