Ambler Metals Appoints Ron Rimelman as President
Rimelman brings over 40 years of experience in environmental review and permitting for responsible resource development projects in Alaska and beyond.
Anchorage, Alaska — June 8, 2026 —Today, Ambler Metals announced that Ron Rimelman will assume the position of President of Ambler Metals. In this role, Ron will lead the completion of the permitting process and advancing plans for development of the Arctic Project, and pursuing of additional exploration throughout the Ambler Mining District in partnership with NANA.
“Having been involved in environmental planning for projects in Alaska for many years, it’s an honor to continue leading responsible resource development in the Upper Kobuk as president of Ambler Metals,” said Ron Rimelman, President of Ambler Metals. “I would like to thank Managing Director, Kaleb Froehlich, for his years of leadership of Ambler Metals. Under Kaleb’s leadership, Ambler Metals has successfully navigated a complex regulatory landscape to achieve significant progress for the Arctic Project and has built significant support with stakeholders throughout Alaska. I look forward to working alongside our world-class team to successfully complete permitting for the Arctic Project, which would create high-quality jobs and unlock significant economic opportunity in Alaska, particularly for local residents and shareholders.”
Mr. Rimelman brings more than 40 years of expertise in the environmental review and permitting of natural resource development projects across North America. In his previous position as Senior Director of Permitting, Rimelman has led the Ambler Metals team through federal permit application submission for the Arctic Project. Before joining Ambler Metals, he served as Vice President of Environment, Health, Safety and Sustainability at NOVAGOLD Resources, where he spearheaded permitting for the Donlin Gold project. His background in Alaska resource development includes previous work at the Red Dog, Kensington, and Greens Creek mines.
Ron also served as the President of the American Exploration and Mining Association and chaired its Environmental Committee for nine years. He holds a Bachelor of Science in Chemical Engineering from the Massachusetts Institute of Technology.
“I am happy to congratulate Ron on his appointment as President of Ambler Metals,”said Kaleb Froehlich, Managing Director of Ambler Metals.“Ron's expertise in the environmental review process and deep knowledge of Alaska make him a strong leader to guide the Arctic Project to the next phase. I am proud of the work we have completed in these past two years and the support we have built throughout every corner in Alaska. Creating jobs for Alaskans is a true honor. The future for this project and for Alaska is very exciting.”
Mr. Froehlich will continue to serve as Managing Director of Ambler Metals, working alongside Mr. Rimelman to advance the Arctic Project.
About Ambler Metals
Ambler Metals LLC is an independently operated joint venture formed by South32 and Trilogy Metals on February 11, 2020, for the exploration and development of the Upper Kobuk Mineral Projects (UKMP) and advancement of projects in the Ambler Mining District in collaboration with NANA Regional Corporation. Ambler Metals is an Alaskan company with offices in Anchorage and Fairbanks
About the Arctic Project
First discovered in the 1970s, Arctic is one of the world’s highest-grade copper deposits with an estimated grade of approximately 5% copper equivalent. The deposit spans 0.4 square miles and holds an estimated 46.7 million tonnes of probable mineral reserves, including copper, lead, zinc, gold and silver.