15/03/2026
We are thrilled to welcome three new members to the HEI Committee! Get to know them below, and keep an eye out for them at our upcoming events. You can also view our full committee on our website: https://www.hei.org.au/our-committee
Bridie McWhirter
Bridie is a Senior Environmental Consultant at Umwelt, bringing over 10 years of experience in environmental impact assessment and management. She specialises in large-scale, multidisciplinary resource developments under the NSW State Significant Development planning pathway and is known for her collaborative approach and strong stakeholder engagement skills. Bridie is also a Certified Environmental Auditor and holds a Diploma of Project Management. We are so excited to have her on board!
Kai Neville
Kai is an experienced environmental and sustainability professional with ten years of experience spanning major infrastructure, government, extractive industry and consulting. He specialises in delivering practical, high-impact environmental outcomes and brings a strong blend of technical capability, strategic thinking and on-the-ground project experience. With postgraduate qualifications in Environment and Business Management, Kai is passionate about shaping resilient, sustainable infrastructure. Welcome, Kai!
Mathew Billings
Mat is a Principal Environmental Consultant and risk management leader with more than 25 years of experience across major infrastructure projects. Currently working with Healthy Buildings International, Mat divides his time between environmental representative and auditing roles and business development. He brings a wealth of knowledge in management systems, governance frameworks and corporate risk, along with a strong commitment to leadership and developing the next generation of environmental professionals. We are so glad to have him on the committee!