Brad May is Managing Director and Principal Environmental Engineer at Onterris, and a Contaminated Site Auditor accredited across NSW, Queensland, Tasmania, the Northern Territory and the ACT. He brings 28 years of experience delivering contaminated land assessment, management and remediation programs across Australia and the Asia‑Pacific region.
Brad has led technically complex projects in both regulatory and advisory roles, supporting clients to achieve sound environmental and commercial outcomes. His experience spans major infrastructure, defense, aviation, heavy industry, government and property sectors. Brad also provides Expert Witness services, offering clear, defensible advice to support environmental compliance matters and resolve property transaction disputes.