Meet the National Construction Team

Our staff of employee owners drives economic growth throughout Wisconsin by partnering with the leaders of businesses and communities. We are project managers, seasoned superintendents and more committed to moving your company forward. Get to know the National Construction team!

Leadership

Jeff Grundahl

Founder & CEO

Joel Geissbuhler

Sales Manager

Mary Grundahl

COO

Mike Trapino

Operations Manager

Project Development

Amy Williamson

Client Relationship Manager

Bernie Lange

Project Development Manager

Dan Sundal

Preconstruction Manager

Jennifer Kratochwill

Business Development Representative

Patrick Flint

Estimator

Project Management

Jace Jontz

Project Manager

Jon Steurer

Production Coordinator

Kendra Pfeil

Project Coordinator

Scott Johnson

Project Manager

Construction

Andrew Laufenberg

Carpenter

Brett McGuire

Carpenter

Chris Repenshek

Superintendent

Corey Flock

Carpenter

Greg McGuire

Production Manager

Hayden Aney

Lead Carpenter

James Heller

Carpenter

Jamie Blynn

Superintendent

Jason Williams

Carpenter

Jay Weichmann

Foreman

Jeff Blynn

Superintendent

Jesus Garcia

Youth Apprentice Laborer

Jim Peterson

Superintendent

Josh Potter

Carpenter

Kaiden Smith

Laborer

Kaleb Nelson

Laborer

Liz Husker

Carpenter

Logan Ford

Youth Apprentice Laborer

Mike Chatfield

Facilities Manager

Owen Chatfield

Laborer

Phil Johns

Lead Carpenter

Preston McMahon

Carpenter

Rob Massey

Carpenter

Sam Willis

Superintendent

Shaun Vultaggio

Carpenter

Business and Marketing

Brescia Berg

Marketing and Communications Director

Hilary Lawry

Accountant

Jason McCutchin

Controller

Jessica Bigler

Executive Assistant

Kristi Thom

Marketing and Communications Coordinator