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Staff

At CGA, our greatest asset is our people. We invite you to meet some of our key employees through the following pages.

William Grabe William R. Grabe, P.E.
President & C.E.O.
641-752-6701 ext. 17		 Matt Garber Matt D. Garber, P.E., P.L.S.
Vice President & Project Manager
641-752-6701 ext. 22
Michael Bearden Michael C. Bearden, P.E.
Vice President & Project Manager
641-752-6701 ext. 21		 Robert Garber Robert A. Garber, P.E.
Licensed Professional Engineer
641-752-6701 ext. 34
Mindy Bryngelson Mindy M. Bryngelson, P.E.
Licensed Professional Engineer
641-752-6701 ext. 14		 Elizabeth S. Calhoun, P.E. Elizabeth S. Calhoun, P.E.
Licensed Professional Engineer
515-232-1784 ext. 23
Kenneth Janssen Kenneth D. Janssen, P.E., P.L.S.
Licensed Professional Engineer and Surveyor
515-232-1784 ext. 26		 Bruce Calhoun Bruce C. Calhoun, L.A.
Licensed Professional Landscape Architect
515-232-1784 ext. 25
Lanise Burchland Lanise M. Burchland, P.E.
Licensed Professional Engineer
641-752-6701 ext. 38		 Roger Luehring Roger D. Luehring
C.F.O., Treasurer
641-752-6701 ext. 36
Jeffrey Sogge Jeffrey W. Sogge
Right of Way Director
641-752-6701 ext. 13		 Joseph Falk Joseph D. Falk, P.L.S.
Licensed Professional Land Surveyor
641-752-6701 ext. 41
Travis Stewart Travis R. Stewart, P.L.S.
Licensed Professional Land Surveyor
641-752-6701 ext. 23		 Brent Port Brent D. Port
Survey Project Manager
641-752-6701 ext. 45

Our staff also includes Interns, Technicians, and office support personnel.  Support Personnel