SEDC Officers

The officers are also members of the Steering Committee.

Robert Henthorne
Executive Director
Kansas Department of Transportation
2300 Van Buren Street
Topeka, Kansas 66611
voice 785-291-3860
RobertH@ksdot.org

Matt Marxsen
Secretary
Conservation & Survey Division (Nebraska Geological Survey)
School of Natural Resources, 621 Hardin Hall
Lincoln, NE 68583-0996
voice 402-472-6863
fax 402-472-2946
mmarxsen2@unl.edu

Randy Billinger
Treasurer
Kansas Department of Transportation
2300 Van Buren Street
Topeka, Kansas 66611
voice 785-291-3862
RandyB@ksdot.org