Staff Materials

Materials and Geotechnical Branch

Jim Zufall, State Materials/ Geotechnical Engineer
jim.zufall@dot.state.co.us
303-398-6501

Steve Olson, Asphalt Pavement Program Manager
michael.olson@dot.state.co.us
303-398-6576

Jay Goldbaum, Pavement Design Program Manager
jay.goldbaum@dot.state.co.us
303-398-6561

Stephen Henry, Pavement Management Program Manager
stephen.henry@dot.state.co.us
303-398-6579

Regional Materials Engineers

Region 1

Bill Schiebel, Materials Engineer
bill.schiebel@dot.state.co.us
303-398-6801

Region 2

Richard Zamora, Materials Engineer
richard.zamora@dot.state.co.us
719-227-3205

Region 3

Rex Goodrich, Materials Engineer
rex.goodrich@dot.state.co.us
970-683-6222

Region 4

Gary Dewitt, Materials Engineer
gary.dewitt@dot.state.co.us
970-350-2379

Region 5

Mike Coggins, Materials Engineer
mike.coggins@dot.state.co.us
970-385-1625

Region 6

Masoud Ghaeli, Materials Engineer
masoud.ghaeli@dot.state.co.us
303-398-6701

For a more comprehensive list of CDOT personnel, obtain the current copy of the CAPA membership directory by clicking here and requesting a copy of the directory.