About Us
At Ralph H. Simpson, we’re always looking for a better way: to build partnerships, to solve problems and to work together to make something to be proud of. That search for better has brought us a long way – all the way to the top of our industry. It also keeps us top of mind when customers need our services again. Because in our search for better, we found what’s best: being there when you need us, every time.
It all comes down to support
The support we give to our customers is only matched by the support our structures provide. We’re there for you from the minute we come onboard, maximizing efficiency, beating deadlines, and building a finished product the way only we can. For you and the people living and working where we build, that means structures built to function, to last and to wow.
Our Team
From our Office to our shop, each and every one of our team members is essential to the success of our business. We don’t put on airs or take ourselves too seriously. They just don’t make ‘em like us anymore.
Executive
Kristopher M. Haas
President
Team Member Since 1999
Matthew C. Prodehl
Vice President
Team Member Since 2011
Administration
Ashley Maisel
Assistant Controller
Team Member Since 2023
John Berger
Project Accountant
Team Member Since 2025
Sales
Paul J. Frost
Sales
Team Member Since 1979
Christopher May
Estimator
Team Member Since 2019
Michael Eschbach
Estimator
Team Member Since 2020
Matthew McLellan
Estimator
Team Member Since 2025
Project Management
Dominick Jagman
Project Manager
Team Member Since 2013
Kevin Stratman
Project Manager
Team Member Since 2015
John Graham
Project Manager
Team Member Since 2019
Veronica Young
Project Coordinator
Team Member Since 2025
Production
Steve Zartler
Logistics Manager
Team Member Since 2003
Patrick Lyons
Production Manager
Team Member Since 2019
Fabrication
We are a Proud Union Shop – Iron Workers Regional Shop Local #853
Roberto Millan
Shop Foreman
Team Member Since 1993
Steven Stepien
Shop Supervisor / Layout
Team Member Since 2002
Fernando Palacios
Fitter
Team Member Since 1985
Gilberto Villarruel Palomar
Welder
Team Member Since 2017
Jose Mercado
Layout
Team Member Since 2011
Ruben Hernandez
Laborer
Team Member Since 2016
Sean McManus
Laborer
Team Member Since 2014
Jack Carlson
Welder
Team Member Since 2018
Jeremy Woolet
Driver/Laborer
Team Member Since 2021
Rodney Stephen
Welder
Team Member Since 2024
Pedro Nevarez Soto
Welder
Team Member Since 2024
Sam Travis, Jr.
Welder
Team Member Since 2024
Want to join us? We’re always looking for people to join the team.
Ralph H Simpson Careers