Meet the Team

Owner/Service Technician

Jerry Giese


Jerry graduated from NWTC in 1994 with an associates degree in HVAC studies. He entered a partnership to take over the former Chown/Peterson business to form GPS in 2006.

John Schramm


Before GPS, John worked at the saw mill for 15 years. Upon them closing the factory down, John began his career in HVAC 20 years ago and joined the partnership with Jerry to own GPS in 2006!


Steve Debriyn

Prior to working with GPS, Steve worked construction for 16 years. He has been a part of GPS for the past 11 years and specializes in installs.

Project Manager/Senior Installer


Patrick Jacquart

Project Manager/Service Technician

Patrick started working in HVAC with us in 2016 and was quick to learn! He now specializes in installs and boiler units.


Randy Johnson

Senior Service Technician

Randy has over 14 years of experience in the HVAC industry and he specializes in service and diagnosis.

Chandler started working with GPS 3 years ago. He specializes in installs.


Junior Installer/Fabricator

Chandler Strahl


Patrick O'Neill

Project Manager/Senior Installer/Fabricator

Patrick began working in the HVAC industry in 2010 in the state of Utah. He has been a part of the team for the past 8 years. 


Reid DeLaurelle

Junior Installer 

Reid just joined the team here at GPS. He is currently studying for his degree in HVAC at NWTC in Marinette.


Julie Schmitz

Office administrator

Julie has been a part of the team for 5 years. She has an associates degree in secretarial. She has over 30 years of experience working in an office setting. 


Kaitie Sodergren

Marketing Manager

Kaitie has a Bachelor of Arts in Entrepreneurship from Northern Michigan University and has recently graduated summa cum laude with her Master of Science in Marketing from the University of Illinois at Chicago.


Virtual Assistant

Lilian Giese

Liliy is the daughter of Gerald "Jerry" Giese. She helps us with all the scanning and digitalizing of our documents. She is a great asset to our team!

Liliy Giese