Our Mission

Organized around a mission to provide geochemically-sound strategy for the mining industry. We aim to create value through consistently delivering high-quality, impactful work for our clients.


Tamara Diedrich

Tamara Diedrich | PhD, PG (MN)

Principal Geochemist, CEO

Scott Gischia

Scott Gischia | PE, PMP


Allison Haus

Allison Haus | PhD, PG (MN)

Managing Senior Geochemist

Steph Theriault

Steph Theriault | PG (MN)

Managing Senior Geochemist

Jenny Goldner

Jenny Goldner

Managing Senior Geoscientist – Informatics

John Swenson

John Swenson | PhD

Senior Environmental Scientist, Mathematical Modeler

Joel Bandstra

Joel Bandstra | PhD

Senior Environmental Engineer

Xiang Li

Xiang Li | PhD

Environmental Data Scientist

Nicholas Pester

Nicholas Pester | PhD

Senior Geochemist

Kathryn Vall

Kathryn Vall

Geochemist, Data Specialist

Rachel Gibson

Rachel Gibson

Environmental Engineer

Alex Cox

Alex Cox

Geological Engineer

Lisa Stracek

Lisa Stracek

Office Administrator

Employment Opportunities

Do you see geochemistry everywhere?

MineraLogic is always seeking thoughtful scientists who are driven to solve real-world problems by applying fundamental concepts from fields including environmental geochemistry, chemical thermodynamics, and hydrogeology. We are committed to supporting our clients and colleagues in the pursuit of high-quality, impactful work. If you would like to be considered for this team, please submit a CV to info@mnlogic.com. An accompanying letter with statements of interest, while not necessary, would be well received.