Technical Team

Dr. Danie Grobler

Vice President - Exploration

Dr. Danie Grobler has more than 25 years of industry experience as an exploration and mine geologist including most recently as Head of Geology and Exploration for Ivanplats Pty Ltd (an Ivanhoe Mines company) where since 2011 he led the delineation and advancement of Ivanhoe’s world-class Platreef PGE-Ni-Cu mine on the northern limb of the Bushveld complex. Including previous experience as Project Manager at Platinum Group Metals’ at their project on the Bushveld’s northern limb, Dr. Grobler brings decades of senior level experience focused on the discovery and mining of battery and platinum group metals in ultramafic magmatic systems and has published numerous papers on Ivanhoe’s Flatreef deposit.

Albie Brits

Senior Geologist

Mr. Albie Brits has more than 28 years focused on the advancement of projects from grassroots stage to advanced exploration and full-scale mining operations, starting at Gold Fields of South Africa and including, most recently, the role of Senior Geologist and Manager Project Geology for Ivanplats Pty Ltd (an Ivanhoe Mines company). Focused on exploration for platinum group and base metals on the northern limb of the Bushveld complex since 2001, Mr. Brits was part of the team that discovered Ivanhoe’s Flatreef deposit. He has extensive experience in the exploration of mafic-ultramafic magmatic systems and has presented and co-authored numerous papers on the Flatreef deposit.

Mike Ostenson, P.Geo

Project Geologist

Mr. Ostenson has extensive experience in exploration, mine development and mining in the Stillwater Complex, including the roles of VP Exploration/Qualified Person with Premium Exploration, Exploration Geologist for Beartooth Platinum, and Ore Grade Control Geologist with Stillwater Mining Company. Mr. Ostenson has a Bachelor of Science (Earth Sciences) from the Montana State University, and also worked as a Gold Mine Geologist with AngloGold.

Justin Modroo, P.Geo

Project Geophysicist

Mr. Modroo has 20 years of mineral exploration experience, including as a Geophysical Consultant with Premium Exploration and Beartooth Platinum in the Stillwater Complex as well as with other North American exploration projects. Mr. Modroo’s has extensive first-hand knowledge of the geology and geophysical characteristics of the Stillwater Complex as well as the historic project data. Mr. Modroo has a Bachelor of Science degree in Geophysical Engineering and a Masters of Science in Geophysics from the Colorado School of Mines.

Advisory Board

Brian Cloney, CPA


Mr. Cloney has over 35 years experience of public accounting and financial consulting experience with a particular focus on the mining sector, holding the role of Chief Financial Officer with a number of publicly-traded resource companies. Mr. Cloney was a Director of Stillwater Critical Minerals (then Group Ten Metals) from March 2014 to June 2016.

Garth Kirkham, P.Geo, P.Geoph


Mr. Kirkham has over 34 years experience in the mineral exploration industry as a board member, leader, and geoscientist. He has numerous professional designations and awards for his work. Mr. Kirkham heads Kirkham Geosystems Ltd and was a founding director of Group Ten.

Douglas Warkentin, P.Eng

Metallurgy and Mineral Processing

Mr. Warkentin is a Metallurgical and Process Development Consultant with over 30 years of experience in the mining and mineral processing industries. Currently Senior Metallurgist at Kemetco Research Inc. in Richmond, British Columbia, he has conducted mineral processing, hydrometallurgy, minewater treatment and resource recovery on a broad array of base, precious and high-tech metals projects for international clients. He was a co-founder of Stillwater Critical Minerals (previously Group Ten Metals) and served on the Company’s Board to July 2014.

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