Our Staff

Our experienced, professional staff consists of extraordinary individuals who will take the time to get to know you and your unique project needs. We invite you to contact directly any team member to get your project started.

Karl R. Kemper, PE


Airports / Pilot / Project Manager

Matthew T. Graun

Vice President

Resource Manager/Designer

Jed D. Mattmiller, PE


Airport / Municipal / Highway

Bonnie L. Stange, CPA

Corporate Controller

Randy W. Van Natta, PE

Senior Consultant

Airports / Pilot

Archie C. Becher, PE

Senior Consultant

Dams / Municipal

Steve M. Opatik, PE

Project Manager

Water Resources/Municipal

Cheryl R. Schroeder, CGA

Cheryl R. Schroeder, CGA

Real Estate

Joe R. Kafczynski, PE

Staff Engineer

Water Resources / Municipal

Matthew R. Patterson, PE

Project Engineer

Water Resources / Municipal

Kevin J. Bella

Construction Management / Engineering Technician

Kevin E. Hahn, EIT

Staff Engineer


Mark W. Oie

Engineering Technician / Survey Technician

Aaron Wallner, PE,

Aaron Wallner, PE

Project Engineer


Tyler L. Mills

Construction Management / Survey Technician

Kenneth J. Ligman,

Kenneth J. Ligman

Senior Consultant

Project Manager

Joe L. Gehin

Senior Consultant

Public Works

Bret M. Pugliese

Staff Engineer


Andrew R. Ganski,

Andrew R. Ganski

Civil Engineering Technician

Jodi L. Peterson

Office Manager

Becher Hoppe Associates, Inc.

Office Details

330 N 4th St
Wausau, WI 54403-5417
(715) 845-8000

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Office Hours

Mon - Fri 8:00 am - 5:00 pm