Metallurgical Staff

Holger Krutzelmann, P.Eng., is Vice President, Metallurgy & Environment and Director of Studies and Standards for RPA. Holger is a Principal Metallurgist with over 40 years of operating and metallurgical experience in the mining industry, including base metal, potash and gold operations. He has spent more than 15 years working in major engineering firms on the design and implementation of new projects. His previous operating positions range from operator to surface superintendent, as well as chief metallurgist in base metal plants, and gold plants utilizing pressure oxidation. Mr. Krutzelmann has extensive managerial experience on multi-sized projects and studies. His project experience involves work in several countries, including Australia, Canada, Cuba, Greece, Indonesia, Papua New Guinea, New Caledonia and the USA.

Kathleen Altman, P.E., Ph.D., is a Principal Metallurgist based in Denver, Colorado. She has over 30 years of experience in the mining industry including operations, consulting and academia. She began her career in plant operations and commissioning. Her consulting experience includes the completion of scoping, prefeasibility and feasibility studies and NI 43-101 Technical Reports. Dr. Altman has also contributed to research and process development as well as detailed engineering designs for processing plants, water treatment facilities and infrastructure. Her work has supported the evaluation and/or development of numerous, diverse national and international mining projects.