Clem Cahill is a Technical Director – Tailings at GHD, based in Tasmania, with extensive experience in the assessment, operation, and governance of tailings storage facilities across Australia. He works closely with mine operators, Responsible Tailings Facility Engineers (RTFEs), and Engineers of Record to support safe, practical, and defensible tailings management outcomes.
Clem’s professional experience spans tailings facility operation, surveillance, risk management, and site governance, with a strong focus on applying industry standards and regulatory frameworks in a manner that is effective and workable at an operational level. He has been actively involved in supporting site teams through tailings operations, OMS development and implementation, and operational risk management, particularly in complex and evolving operating environments.
As Convenor of the 2026 ANCOLD Tailings Dam Operators Forum, Clem is committed to delivering a forum that is strongly operator‑focused, emphasising practical learning, open discussion, and the sharing of real‑world experience to support continual improvement in tailings dam safety and performance.
LinkedIn: Clem Cahill | LinkedIn
Edgar is a Geotechnical Engineer with 19 years of international experience, currently serving as a GHD Associate and the Engineer of Record for Newmont's Cadia Valley operations. His career has spanned diverse geographies, including South Africa, Chile, Papua New Guinea, Venezuela, the UK, and Australia, where he has established himself as a subject matter expert in the design, evaluation, and management of complex tailings dams. Edgar is also a member of the ANCOLD Tailings Advisory Committee and is contributing to the development of the new ICOLD guideline on tailings and embankment dam surveillance.
