Our team is the foundation of everything we do.
At Thiele Geotech, our engineers, scientists, and technicians bring decades of combined experience and a deep commitment to quality on every project. Whether it’s a complex geotechnical investigation or fast-turnaround materials testing, our people lead with curiosity, precision, and pride in their work.
Collaborative. Curious. Consistently dependable.
We believe in investing in professional growth, mentoring the next generation of geotechnical leaders, and building strong relationships with our clients. That’s why our customers return again and again—not just for our expertise, but for the people behind it.
Meet the team that’s shaping the ground beneath your success.

Ray Brock
Sr. Engineering Technician
Thiele Geotech, Inc.
Broc Burmeister, P.G.
Project Geologist
Thiele Geotech, Inc.
Chris Chadwell
Sr. Engineering Technician
Thiele Geotech, Inc.
Heath Cutler, P.E.
Project Engineer
Thiele Geotech, Inc.
Caiden Dynek
Project Engineer
Thiele Geotech, Inc.
Brian Gappa
Drilling Manager
Thiele Geotech, Inc.
Corey Hanel, C.E.T.
Lab Manager
Thiele Geotech, Inc.
Jenna Jaworski
Environmental Scientist
Thiele Geotech, Inc.
Josh Kankovsky, P.E.
VP | Materials Testing Department Manager
Thiele Geotech, Inc.
Lindsey Kelly
Staff Geologist
Thiele Geotech, Inc.
Cody Kimball, P.E.
Project Engineer
Thiele Geotech, Inc.
Robert Lapke, P.E.
President
Thiele Geotech, Inc.
Bob Matlock, P.E.
Sr. Vice President
Thiele Geotech, Inc.
Donna Matlock, P.G.
Sr. Geologist
Thiele Geotech, Inc.
Robert Miller, P.G.
VP | Environmental Engineering Department Manager
Thiele Geotech, Inc.
Justin Morgan, C.E.T.
Instrumentation Department Manager
Thiele Geotech, Inc.
Brett Priebe, P.E.
VP | Earth Retention Design Department Manager
Thiele Geotech, Inc.
Collin Steimer, E.I.
Project Engineer
Thiele Geotech, Inc.
Andy Thiele
Field Service Manager
Thiele Geotech, Inc.
Daniel Thiele, P.E.
Chairman
Thiele Geotech, Inc.
Raeanna Thiele, P.E.
VP | Geotechnical Engineering Department Manager
Thiele Geotech, Inc.
Tyler Tomanek
Environmental Scientist
Thiele Geotech, Inc.
Seth Yakel
Technical Project Manager
Thiele Geotech, Inc.

