Our Mission

Providing geochemically-sound strategy for industry, to create value through impact—toward the success of our clients, society, and disciplines.


Tamara Diedrich

Tamara Diedrich | PhD, PG (MN)

Principal Geochemist, CEO

Allison Haus

Allison Haus | PhD, PG (MN)

Managing Senior Geochemist

Steph Theriault

Steph Theriault | PG (MN)

Managing Senior Geochemist

Scott Gischia

Scott Gischia | PE, PMP

Managing Senior Engineer

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

Edward Gazzetti

Edward Gazzetti


Nicholas Pester

Nicholas Pester | PhD

Senior Geochemist

Kathryn Vall

Kathryn Vall

Geochemist, Data Specialist

Xiang Li

Xiang Li | PhD

Environmental Data Scientist

Mya Austin

Mya Austin

Data Scientist

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.