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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.

Services

Markets

John Kissinger

John Kissinger

President & CEO

Ken Grebe

Ken Grebe

Chief Operating Officer

Burt Naumann

Burt Naumann

Regional Office Leader

Rich Bub

Rich Bub

Chairman of the Board

Pat Kressin

Pat Kressin

Vice President of Business Development

Brent Pitcher

Brent Pitcher

Infrastructure Group Leader

Lori Rosenthal

Lori Rosenthal

Facilities Group Leader

George Podrebarac

George Podrebarac

Office Leader – Chicago Loop

Aleks Tadic

Aleks Tadic

Office Leader – Chicago O’Hare

Pat Skalecki

Pat Skalecki

Office Leader – Green Bay

Loei Badreddine

Loei Badreddine

Office Leader – Madison

Nelson Ortiz

Nelson Ortiz

Office Leader – Miami

Jon Schwichtenberg

Jon Schwichtenberg

Office Leader – Minneapolis

Scott Hinrichs

Scott Hinrichs

Office Leader – Orlando

David Koslo

David Koslo

Practice Area Leader – Survey

Andre Ost

Andre Ost

Practice Area Leader – Transportation Design

Mary Beth Pettit

Mary Beth Pettit

Transportation Group Leader

John Zerfas

John Zerfas

Practice Area Leader – Bridges

Kevin Wood

Kevin Wood

Senior Bridge Engineer

Uriah Wolfe

Uriah Wolfe

Practice Area Leader – Industrial

Larry Witzling

Larry Witzling

Senior Planner

Mike Vogel

Mike Vogel

Market Area Leader – Cultural, Sports & Recreation, Education

Tom Stevens

Tom Stevens

Practice Area Leader – Infrastructure

Bryant Stempski

Bryant Stempski

Market Team Leader – Health Care

Joe Schuller

Joe Schuller

Senior Architect

Brian Schneider

Brian Schneider

Practice Area Leader – Environmental

Beau Sanders

Beau Sanders

Market Team Leader – Mixed Use

Kristan Sanchez

Kristan Sanchez

Market Area Leader – Planning

Jeff Rosner

Jeff Rosner

Practice Area Leader – Facilities

Tim Robinson

Tim Robinson

Chief Financial Officer

Steve Rech

Steve Rech

Practice Area Leader – Structural

Joe Pepitone

Joe Pepitone

Practice Area Leader – Landscape Architecture

Mike Paulos

Mike Paulos

Market Team Leader – Municipal and Water & Wastewater

Neumann Dave Cropped

David Neumann

Director of Technology

Nagel Kent Cropped

Kent Nagel

Practice Area Leader – Survey

Lizasoain Jose Cropped

Jose Lizasoain

Practice Area Leader – Mechanical

Lisak, Jim_2019

Jim Lisak

Senior Civil Engineer

Shawna Kratsch

Shawna Kratsch

Practice Area Leader – Structural

Kilbert Dan Cropped

Dan Kilbert

Market Team Leader – Healthcare

Johnston Peter 2019 02 Website Square

Pete Johnston

Practice Area Leader – Transportation

Jagler Steve Cropped

Steve Jagler

Corporate Communications Leader

Humphrey_Roger 2019 Website Square

Roger Humphrey

Practice Area Leader – Site Development

Herzberg Cropped

Dan Herzberg

Practice Area Leader – Transportation

Hemba Dewey Cropped

Dewey Hemba

Senior Structural Engineer

Hayes Jim Cropped

Jim Hayes

Market Area Leader – Healthcare

Hansen James Cropped

Jim Hansen

Practice Area Leader – Site Development

Groth Fred Cropped

Fred Groth

Market Area Leader – Hospitality / DFD

Bochnovich Richard_crop

Richard Bochnovich

Practice Area Leader – Infrastructure

Gerke Jason Cropped

Jason Gerke

Practice Area Leader – Mechanical/Plumbing

Freer Ed Cropped

Ed Freer

Market Area Leader – Landscape Architecture

Fisco Steve Cropped

Steve Fisco

Senior Civil Engineer

Christel Jenny Cropped

Jenny Christel

Director of Human Resources

Stern Erv Cropped

Erv Stern

Practice Area Leader – Electrical

Stephanie Hacker

Stephanie Hacker

Practice Area Leader – Planning + Urban Design

Eiring Paul Cropped

Paul Eiring

Practice Area Leader – Civil

Timmothy Walker

Timm Walker

Market Area Leader – Industrial

Jake-Borzym

Jake Borzym

Corporate Marketing Team Leader

Harrison-Tom-Web

Tom Harrison

Senior Structural Engineer