Thiess L.

Thiess L. is currently the Director of Mine Waste Closure and Remediation at AECOM, where they lead strategic initiatives in sustainability and risk management. Previously, Thiess served as a Closure Planning Project Director at Newmont Corporation, overseeing high-risk closure studies and ensuring compliance with corporate policies. They have held significant roles at Rio Tinto, managing complex mine closure plans and leading initiatives that yielded substantial cost savings. Thiess holds a Bachelor of Science in Mining Engineering from the University of Utah and an Associate of Arts and Sciences in Pre-Engineering from Western Wyoming Community College.