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Staff

At CGA, our greatest asset is our people. Contact any of our key employees to begin your project today.

  Matt D. Garber, P.E., P.L.S.
President & C.E.O.
Board of Directors
641-752-6701 ext. 22
  Michael C. Bearden, P.E.
Executive Vice President
Board of Directors
641-752-6701 ext. 21
  Mindy M. Bryngelson, P.E.
Vice President

Board of Directors
515-232-1784 ext. 62
  Roger D. Luehring
C.F.O.
Treasurer/Secretary of the
Board of Directors
641-752-6701 ext. 36
  Travis R. Stewart, P.L.S.
Project Manager
Survey Department Manager
641-752-6701 ext. 23
  Adam C. Daters, P.E.
Project Manager
641-752-6701 ext. 18
  Mark A. Crawford, P.E., L.S.I.
Project Manager
515-232-1784 ext. 63
  Joseph P. Roenfeldt, P.E.
Project Manager
641-752-6701 ext. 44
  Marc C. Hoodjer, P.L.S.
Lead Surveyor
641-752-6701 ext. 27
  Jeremy A. Harris, P.L.S.
Survey Project Manager
641-752-6701 ext. 26
  Kay A. Thede
Aviation Program Specialist
515-232-1784 ext. 69
  Jeffrey W. Sogge, Broker
Right of Way Director
641-752-6701 ext. 13
  William R. Grabe, P.E.
Consultant for Ground and
Air Transportation
641-752-6701
  Stephen Troskey, Planner
Project Manager
641-752-6701 ext. 51
  Jerry L. Shoff, P.E., P.L.S.
Client Services Manager
319-266-0258 ext. 102
  Aaron L. Mueller, P.L.S.
Project Manager
319-266-0258 ext. 110
  William N. (Bill) Wright, P.E.
Project Manager
319-266-0258 ext. 101
  Heather A. Thomas, P.E.
Project Manager
641-752-6701 ext. 48
  Justin Strom, P.E.
Project Manager
641-752-6701 ext. 50