Minnesota Department of Transportation

511 Travel Info

Road Research

NRRA Geotechnical Team

Orange barrels on a highway

Geotechnical Team Members

Agency Members

Robert Arndorfer, Wisconsin DOT
Terry Beaudry (Chair), Minnesota DOT
Richard Endres, Michigan DOT
Tom Fennessey, Missouri DOT
Jeff Horsfall, Wisconsin DOT
Matt Kurle, North Dakota DOT
Deepak Maskey, Caltrans – California DOT
Colter Schwagler, North Dakota DOT
Heather Shoup, Illinois DOT
Andrew Stolba, Illinois DOT
Raul Velasquez, Minnesota DOT

Associate Members

Aaron Budge, Minnesota State University Mankato
Bora Cetin, Michigan State University
Majid Ghayoomi, University of New Hampshire
Mehran Mazari, Cal State LA
John McConahy, Surface Tech
Soheil Nazarian, Center for Transportation Infrastructure Systems (UTEP)
Heidi Olson, Braun Intertec
Matt Oman, Mathy Construction
Mike Rief, WSB & Associates, Inc.
Mohammad Sabouri, Braun Intertec
David Saftner, University of Minnesota Duluth
Dan Schellhammer, Midstate Reclamation
Nabil Suleiman, University of North Dakota
Mark Tufenkjian, Cal State LA
David White, Ingios Geotechnics, Inc.

Friends & Supporting Staff

Tim Anderson, Minnesota DOT
Amy Beise, North Dakota DOT
Halil Ceylan, Iowa State University
Tuncer Edil, University of Wisconsin-Madison
Eddie Johnson, Minnesota DOT
Kevin Kliethermes, FHWA
Joe Korzilius, SRF Consulting
Renae Kuehl, SRF Consulting
Bill Likos, University of Wisconsin--Madison
Monte Nieme, First State Tire
John Siekmeier, Minnesota DOT
Ben Worel, Minnesota DOT