Building Biology Sydney

• Lead Specialist: Jeanette Williams (Specialist Mould Audits, Certified Building Biologist, and IICRC Certified in Water Restoration).

• The CIRS Advantage: Jeanette looks at the built environment through a deeply compassionate lens, specializing in uncovering the environmental hazards that cause chronic, multi-system illness. Highly educated in the industry, she trains Doctors and medical professionals on mould triggers for the Australasian College of Nutritional and Environmental Medicine (ACNEM) and is a core teaching staff member at the Australian College of Environmental Studies (ACES). Her comprehensive indoor air quality, moisture mapping, and laboratory assessments are designed to give highly sensitive patients a foolproof remediation action plan.

• Location/Service Area: Sydney and surrounding New South Wales (NSW) regions.

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Ecolibria

• Lead Specialist: Raphael Siket (Founder, Director of Ecolibria, and Certified Mould Testing Technician).

• The CIRS Advantage: As a pioneer of the Australian building biology field and a past president of the Australasian Society of Building Biologists, Raphael has spent nearly two decades testing air quality in complex environments. Ecolibria is highly regarded for helping chemically sensitive and biotoxin-illness patients specify healthy, non-toxic, and vapour-permeable building materials. Every comprehensive environmental report generated by their multi-state team undergoes a strict triple-review protocol to ensure absolute diagnostic accuracy before it reaches the client.

• Location/Service Area: Head office in Victoria (VIC), with a verified network of trained specialists extending across New South Wales (NSW) and Queensland (QLD).

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Wellness at Home

• Lead Specialist: Narelle McDonald (Founder, Certified Building Biologist, and ACES Trainer & Consultant).

• The CIRS Advantage: Narelle is a highly esteemed environmental consultant and former President of the Australasian Society of Building Biologists. Having personally suffered from chronic respiratory illness while living in a tightly sealed, toxic apartment early in life, she dedicates her practice to ensuring homes are safe from hidden environmental triggers. Her holistic approach combines rigorous moisture testing, electromagnetic field (EMF) mitigation, and allergen assessments. She is a prime resource for CIRS patients who want to audit their living spaces or design a healthy, mould-resistant home from the ground up.

• Location/Service Area: Based in Melbourne, Victoria (VIC), providing comprehensive assessments and specialized building advisory services.

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Building Biology WA

• Lead Specialist: Deanne Hislop (Founder, Certified Building Biologist, IEP, and IICRC Certified Mould Expert).

• The CIRS Advantage: Deanne has spent more than twenty years investigating how the built environment impacts human genetics, children's health, and biotoxin illness. As an onsite trainer for the Australian College of Environmental Studies (ACES), she uses advanced diagnostic meters and testing equipment to locate the hidden moisture plumes feeding toxic mould behind walls. Deanne directly addresses a major pain point for Western Australians by providing precise building diagnostics, cost-effective remediation strategies, and connecting clients with trusted, certified hands-on structural remediators.

• Location/Service Area: Servicing Perth and regional Western Australia (WA), with extended coverage across South Australia, the NT, and the ACT.

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