SaferTech Advisory Board

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SaferTech's wireless safety work is guided by the expertise of these dedicated professionals:

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Tejas Engel - Electrical Engineering Lecturer (Retired)

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David Holden - Naturopathic Oncologist / Nutritional Biochemist, Author, Educator

David Holden

David Holden is a senior Natural Medicine Practitioner with 40 years experience. He originally trained as a Medical Scientist at the NHI in Wgtn, NZ, double majoring in Microbiology & Biochemistry. He then jumped the fence into Natural Medicine, training in 3 countries spanning 12 years, and gaining 5 internationally recognized qualifications. He now runs a specialist Naturopathic Oncology Consultancy on Auckland’s North Shore and is an author and lecturer for his other business that he is launching internationally in 2025 called Biohacking Healing 101.

David has a keen interest in Ancient Healing Knowledge as well as the latest in Science & Technology and keeps up to date with the latest developments in the Healing & Consciousness spaces. He is an avid teacher of safer technology use for his patients, students and the wider community. David has a keen interest in Frequency & Vibrational Medicine coupled with Ancient Spiritual Yogic Metaphysics & Sacred Esoteric Wisdom & new understandings in Quantum Healing, Epigenetics & Life Extension.

You can find out more about him by visiting: www.HoldenHealthCare.com and www.BiohackingHealing.com.

Robin Kelly – Medical Advisor

Robin Kelly - SaferTechNZ advisory board

Robin is a family physician and acupuncturist, devoted to healing for over five decades. He is the author of The Human Antenna and The Human Hologram, and has given many public presentations on the health effects of wireless radiation.

Dr Bruce Lipton - Epigeneticist, Author, International Lecturer

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Sue Grey – Legal Advisor

Sue Grey - SaferTechNZ advisory board

Sue Grey, LLB (Hons), BSc (Biochemistry & Microbiology), RSH DipPHI is a specialist in strategy, risk assessment and dispute resolution in complex emerging issues. Sue has led High Court and RMA cases on RF/EMR, a complaint to Parliament's Regulations Review Committee, and spoken in documentaries, to media, expert groups and the public on risks from 5G, WiFi and other forms of RF/EMR. Sue has been an advisor to the Oceania Radiation Safety Advisory Authority (ORSAA) since its inception.

Michael Vaughan - Education Advisor

Michael Vaughan - SaferTechNZ advisory board

Our dear colleague and friend Michael Vaughan passed away April 2026. He was a gracious clear-headed man with a warm heart and a keen sense of humour. For five years his presence at SaferTech meetings and public talks brought clarity and authenticity to our work, and in particular to the well-being of children in schools.

Michael was a registered psychologist practicing in Auckland's North Shore. He addressed numerous schools and parent groups on the screen time dilemma and the specific harm of wireless radiation on the health of vulnerable children.

Paul Waddell - Electro-Pollution Specialist

Paul enjoyed a good career as a Technical and Product Manager, all in good health until the introduction of cell phones and WiFi brought on disabling electro-hypersensitivity (EHS).

He decided to study this issue and became the first person in NZ to hold a recognised tertiary qualification in EMF Testing from the Australian College of Environmental Studies as part of their Building Biology program. He then worked part time as an Electro-Pollution Consultant for 8 years, assisting hundreds of people who were suffering from their sensitivity to electro- pollution in any or all of its forms.

Alexei Yachine - Technical Advisor

Alexei Yachine - SaferTechNZ Technical Advisor

Alexei is a mechatronics engineer with a passion for science and understanding the physical world. He works in the field of industrial data acquisition, processing and analysis, where immense insight can be gained by real world measurements.

After discovering his ‘mystery’ symptoms were due to exposure to wireless radiation, he became curious, and asked how has our EMR environment changed:"My search found a gap in this information for New Zealand. My aim is to help fill that gap."

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