Dubuque, IA
400 Ice Harbor Drive
Dubuque, Iowa 52001
T 563.583.9131
F 563.557.9078

Charles R. Marsden, PE, President and CEO
Kevin Eipperle, AIA, Managing Principal

Des Moines, IA
510 East Locust Street, Suite 200
Des Moines, Iowa 50309
T 515.309.0945
F 515.309.0944

Michael Lewis, AIA, Managing Principal

Denver, CO
1125 Seventeenth Street, Suite 1500
Denver, Colorado 80202
T 303.377.2900
F 303.377.0621

William "Bill" Baker, AIA, Managing Principal

Phoenix, AZ
410 North 44th Street, Suite 800
Phoenix, Arizona 85008
T 602.275.6830
F 602.275.4331

Scott Bohning, AIA, Sr. Vice President,
Managing Principal