Together, Everyone Achieves More
Meet the Leadership Team
We strive to help every employee become a more valuable member of the team and the community. We communicate clear expectations, provide the tools our team members need to succeed, and surround them with other great employees.

Tom Holtz
Chief Executive Officer

Dan Bullock
President of Holtz Companies

Rick Rogers
Executive VP - Tennessee & Florida

Mark Crowley
Executive VP - Wisconsin

Trina McVicker
Director of HR and Community Development
Meet the Office Team

Bill Daniels
IT Manager

Ashley Mayo
Executive Assistant - TN

Kelly Stacionis
Safety Manager

Bonnie Ellinger
Administrative Assistant

Mandy Mazzara
Controller

Chris Thompson
Branch Manager - TN

Mandy Haerr
HR and Accounting Assistant

Amanda Morgenson
Staff Accountant

Rebecca Underwood
Fleet & Equipment Manager

Elizabeth Harkins
Executive Assistant

Maggie Raimer
Executive Assistant

David Webber
Warehouse Manager

Aysha Holtz
Marketing Coordinator

Ruthie Rogers
VP of Business Operations - TN

Jamie Wilke
Director of Sales and Project Management - FL

Jonas Martin
IT Associate

Brenda Schultz
Accounting Manager
Meet the Project Management Team

Nathan Borcherding
Project Assistant

Bart Lechner
Project Manager

Tracy Wimer
Project Manager

JoAnn Damiani
Project Assistant - TN

Todd Lederhaus
Expeditor

Hans Wilkes
Project Manager

Tina Grable
Project Assistant

Cynthia MacLeod
Project Manager

Chuck Wilson
Project Manager - TN

Diego Herrera
Project Manager - TN

Jamie Naquin
Project Manager

Tyler Johnson
Project Manager

Jen Pedersen
Project Coordinator

Alex Kahler
Project Manager

Tammy Stark
Project Coordinator
Meet the Superintendent Team

Jeff Andersen
Superintendent - TN

Brandon O’Brien
Superintendent

Chris Chambliss
Superintendent - TN

Andy Raupp
Superintendent

Bill Devlin
Superintendent

Wesley Richmond
Superintendent

Zach Klett
Superintendent

Ryan Staudt
Superintendent

JR Mitchell
Superintendent - TN

Matt Wilant
Superintendent

Max Mitchell
Superintendent