About Our Team Meet The Team Behind GRAEF

GRAEF is more than just a business. We are a committed employer and community member. This wouldn’t be possible without the hard work, commitment and expertise of our professionals, who are absolutely vital to the firm’s success.

Executive Team


Brent Otto

Chief Financial Officer

Brent Pitcher

Infrastructure Group Leader

Burt Naumann

Regional Office Leader

George Podrebarac

Office Leader – Chicago Loop

Jenny Christel

Director of Human Resources

John Kissinger

President & CEO

Jon Schwichtenberg

Office Leader – Minneapolis

Ken Grebe

Chief Operating Officer


Loei Badreddine

Office Leader – Madison

Lori Rosenthal

Facilities Group Leader

Mary Beth Pettit

Transportation Group Leader

Nelson Ortiz

Office Leader – Miami

Pat Kressin

Vice President of Business Development

Pat Skalecki

Office Leader – Green Bay

Pete Johnston

Office Leader – Chicago O’Hare

Rich Bub

Board Chair

Scott Hinrichs

Office Leader – Orlando

Tony Balistreri

Director of Technology

Leadership Team

Andre Ost

Practice Area Leader – Transportation Design

Beau Sanders

Market Team Leader – Mixed Use

Brian Schneider

Practice Area Leader – Environmental

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Curt Hoffmann

Practice Area Leader – Industrial

Dan Herzberg

Practice Area Leader – Transportation

Dan Kilbert

Market Team Leader – Healthcare

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David Koslo

Practice Area Leader – Survey

Dewey Hemba

Senior Structural Engineer

Ed Freer

Market Area Leader – Landscape Architecture

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Erv Stern

Practice Area Leader – Electrical

Fred Groth

Market Area Leader – Hospitality / DFD

Jason Gerke

MEP Leader

Jeff Rosner

Practice Area Leader – Facilities

Jim Hansen

Practice Area Leader – Site Development

Jim Hayes

Market Area Leader – Healthcare

Jim Lisak

Water Group Practice Area Leader

Joe Pepitone

Practice Area Leader – Landscape Architecture

Joe Schuller

Senior Architect

John Zerfas

Practice Area Leader – Bridges

Jose Lizasoain

Practice Area Leader – Mechanical

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Justyce Dixon

Corporate Marketing and Communications Leader

Kevin Wood

Senior Bridge Engineer

Kristan Sanchez

Market Area Leader – Planning

Larry Witzling

Senior Planner

Mike Paulos

Municipal Market Area Leader

Mike Vogel

Market Area Leader – Cultural, Sports & Recreation, Education

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Paul Eiring

Practice Area Leader – Civil

Richard Bochnovich

Practice Area Leader – Infrastructure

Roger Humphrey

Practice Area Leader – Site Development

Ryan Van Camp

Practice Area Leader – Infrastructure

Shawna Kratsch

Practice Area Leader – Structural

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Stephanie Hacker

Practice Area Leader – Planning + Urban Design

Steve Fisco

Senior Civil Engineer

Steve Rech

Practice Area Leader – Structural

Tom Harrison

Senior Structural Engineer

Tom Stevens

Practice Area Leader – Infrastructure

Uriah Wolfe

Market Area Leader – Industrial