Office Locations

Illinois
Regional Director
Sean Widener, PE, PTOE

Champaign
125 West Church Street
Champaign, IL 61820-3510
Map & Directions
Phone: 217.373.8900
Fax: 217.373.8923

Chicago
118 South Clinton Street, Suite 700
Chicago, IL 60661
Map & Directions
Phone: 312.648.9900

Oakbrook Terrace
1815 S. Meyers Road, Suite 470
Oakbrook Terrace, IL 60181
Map & Directions
Phone: 630.413.4130

Wisconsin
Regional Director
Emily Basalla, PE, CFM

Kenosha
625 57th Street, 6th Floor
Kenosha, WI 53140
Map & Directions
Phone: 262.657.1550

Milwaukee
759 North Milwaukee Street, Suite 624
Milwaukee, WI 53202
Map & Directions
Phone: 414.727.4990

Wausau
500 North 3rd Street, Suite 703
Wausau, WI 54403
Map & Directions
Phone: 715.845.1333

Indiana/Kentucky
Regional Director
Reviewing Candidates

Evansville
21 SE 3rd Street, Suite 705
Evansville, IN 47708
Map & Directions
Phone: 812.471.4802

Indianapolis
8900 Keystone Crossing, Suite 475
Indianapolis, IN 46240
Map & Directions
Phone: 317.844.8900

New Albany
120 West Spring Street, Suite 400
New Albany, IN 47150
Map & Directions
Phone: 812.725.8595

Lexington
1040 Monarch Street, Suite 200
Lexington, KY 40513
Map & Directions
Phone: 859.286.1140

Louisville
312 S. Fourth Street, Suite 700
Louisville, KY 40202
Map & Directions
Phone: 502.650.8949

Michigan
Regional Director
Robert Rayl, PE

Lansing
6709 Centurion Drive, Suite 300
Lansing, MI 48917
Map & Directions
Phone:  517.908.0877

Farmington Hills
33533 W. Twelve Mile Rd., Suite 250
Farmington Hills, MI 48331
Map & Directions
Phone:  517.908.0877

Clark Dietz Locations Map

Area Managers
Andrea Bretl, PE, ENV SP
Champaign

Nirav Patel, PE
Chicago/Oakbrook Terrace

Tom Foley, PE
Kenosha/Milwaukee

Tonia Westphal, PE, LEED AP
Wausau

Jacob Phillips
Indianapolis

Heath Titzer, PE, PLS
Evansville/New Albany

Brian Smith, PE
Lansing

Leigh Burgess, PE, PTOE
Farmington Hills

Jonathan Rehner, PE
Louisville/Lexington

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