

Mike Klubertanz
— D.E.
Partner - Director of Electrical Engineering
Email: klubertanz@jdreng.com


Victoria Alber
Mechanical Engineer


Brian Elmer
Mechanical Engineer


Ben Eyring-Green
— P.E., LEED
Mechanical Engineer


Sam King
— D.E.
Licensed HVAC Designer


Ryan Lindemann
— D.E., LEED
Licensed HVAC Designer


Matteo Matijasic
Mechanical Engineer


William Pahman
Mechanical Engineer


Tyler Patterson
Mechanical Engineer


Robert Portnoy
Mechanical Engineer


Jamison Roche
HVAC Engineer


Andrew Rowe, F.E.
Mechanical Engineer


Brendon Stubbe
— P.E.
Mechanical Engineer


Wesley Cirves
Electrical Engineer


Lucas Henson
Electrical Designer


Joe Mullvain
— P.E.
Electrical Engineer, P.E.


Erick Powell
Electrical Designer


Chris Gehrke
— D.E.
Licensed Plumbing Designer


Collette Hillebrecht, F.E.
Plumbing Design Engineer


Charlette Jaegler
Plumbing Engineer


Mike McDaniel, P.E.
Plumbing Engineer


Carlos Ruef
— D.E.
Licensed Plumbing Designer


Pete Boersma
CADD/Revit Designer


Chris Bootz
CADD/Revit Technician


Ryan Ede
CADD/Revit Technician


Robert Ginter
CADD/Revit Technician


Faith Danner
Marketing Administrative Assistant

