Tailored Processes,
Trusted Pros
Our team of experts excels in delivering innovative solutions, driven by years of expertise and a passion for continuous learning. Behind every successful project are the friendly faces of our talented team.
Reach out today to see what our team of seasoned professionals can do for you.
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PRESIDENT
B.S. Degree, Construction Engineering, 2002
Iowa State University | Ames, IA
M.B.A., 2013
Wayne State College | Wayne, NE
ASHE Certified Healthcare Construction Professional
Matt Thompson has been with W. A. Klinger since 2002 and was promoted to President in 2019. He has handled a multitude of healthcare projects including the most recently completed operating room addition and major remodel at St. Luke’s Regional Medical Center, as well as the new Siouxland Family Healthcare facility. Matt has specialized in new healthcare construction as well as complicated remodel projects. He carries an HCCP certificate.
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VICE PRESIDENT
B.S., Industrial Management
Wayne State College | Wayne, NE
Nick Mathistad graduated from the Wayne State College with a B.S. in Industrial Management with concentrations in Construction Planning and Design, and has been with W. A. Klinger since 2013. Nick has been involved in construction his entire life due to a strong influence from his father, Gregg, who worked as a W. A. Klinger labor foreman for 35 years. He has a strong background in pre-construction and cost estimating, and oversees the management of field personnel resources. Nick and his wife, Erin, live in Akron, Iowa, with their two daughters, Claire and Nora.
Nick was promoted to Vice President in April 2019.
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SENIOR PROJECT MANAGER
A.A.S., 1996
Southeast Community College | Lincoln, NE
Chris brings over 20 years of experience in the commercial, healthcare, and industrial construction sectors.
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VICE PRESIDENT
B.S., Construction Engineering, 2005
Iowa State University | Ames, IA
M.B.A.
University of Iowa | Iowa City, IA
LEED AP Accreditation
U.S. Green Building Council
Health Care Certified Professional (HCCP)
Chad is a motivated project manager skilled in project leadership and construction personnel development with 18 years of construction management experience and has been with W. A. Klinger since 2017. He is experienced with preconstruction project development, bid administration, schedule, and budget management and is responsible for estimating, scheduling, and coordinating all phases of construction projects.
Chad was promoted to Vice President in February 2020.
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SENIOR PROJECT MANAGER
B.S., Construction Engineering, 2009
Iowa State University
Ryan Bolinger is a graduate of the construction engineering program at Iowa State University. He has been with W. A. Klinger since 2011 and performed construction management and project engineering duties for a educational, commercial, healthcare, and industrial structures. Ryan is responsible for all aspects of the project, including estimating, scheduling, and labor/materials coordination.
Ryan was promoted to Senior Project Manager in April 2019.
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PROJECT MANAGER
Architectural Design Certification
Chad Willer, joined W. A. Klinger in 2002 as an Assistant Project Manager and CADD Technician. He holds a two-year Architectural Design certification and is responsible for CADD operations as well as estimating and project management for healthcare, commercial, and educational facilities. Chad was promoted to Project Manager in July 2023.
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PROJECT MANAGER
B.S., Criminology, Law & Society
George Mason University | Fairfax, VA
Before joining the W. A. Klinger team in 2021, Olivia worked for the U.S. Marine Corps in Virginia as a Program Analyst, providing program support for their tactical imagery system in the U.S. and overseas. Olivia and her then-fiance, Seth, who was a U.S. Marine, relocated to San Diego, CA, in 2017, where she joined the construction division on the Camp Pendleton Marine Corps Base. For four years, she forecasted and tracked construction projects for five military installations within the Marine Corps, focusing on budgets, funding, and planning on all facets of construction. Olivia and Seth were married in 2021 and relocated to Sioux City. Olivia was promoted to the role of Project Manager in July 2023.
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PROJECT ENGINEER
B.S., Construction Management
University of Nebraska-Lincoln | Lincoln, NE
Drew joined W. A. Klinger as a Project Engineer in 2024, bringing with him three years of prior construction experience. He earned his B.S. in Construction Management from the University of Nebraska-Lincoln. Drew is an active member of the Nebraska Army National Guard, serving as a Cavalry Scout. Outside of work, he enjoys spending time at the gym, hunting, and fishing. Drew and his wife, Abigail, recently welcomed their first child, James. They also have two dogs, Malachi, a Golden Retriever, and Penny, a Golden Doodle.
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PROJECT MANAGER
B.S., Construction Management
South Dakota State University | Brookings, SD
Blake joined the W. A. Klinger team as a Project Engineer in May 2022 after graduating from South Dakota State University, where he received his B.S. in Construction Management. He works with several of our industrial and commercial clients.
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PROJECT ENGINEER
B.S., Construction Management
Wayne State College | Wayne, NEAlex joined W. A. Klinger in 2026 as a Project Engineer after earning his B.S. in Construction Management from Wayne State College. He brings a diverse background of military service, emergency response, and hands-on construction experience to the team. Alex previously served as a Construction Management Intern with The Whiting-Turner Contracting Company and holds an HVAC diploma from Western Iowa Tech Community College.
A United States Marine Corps veteran, Alex currently serves as a Part-Time Firefighter and nationally certified EMT with the South Sioux City Fire Department. Outside of work, he enjoys spending time with his wife and son.
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ADMINISTRATIVE ASSISTANT
Brook originally joined the W. A. Klinger administrative support team in 1993 and has worked in both the corporate office and field. After taking a hiatus from 2001-2003, she worked in the field for nearly two years as an on-site assistant, focusing on safety, subcontracts, site orientations, and team logistics during the construction of the Tyson Events Center. Upon completion of the project, she worked part-time in the healthcare industry, focusing on data analysis, labor forecasting, software administration and support, and continuous improvement. She also spent five years in the event and tourism industry, working with labor scheduling and forecasting.
In March 2017, Brook rejoined W. A. Klinger as part of the on-site construction management team for the Royal Canin project in North Sioux City, South Dakota, where she worked as a liaison to the owner's safety team and assisted with safety-related issues, site orientations, and construction coordination meetings. Most recently, she returned to her role as administrative assistant for the project management team in the corporate office, providing support for bid solicitation, project management, and marketing.
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PROJECT ENGINEER
B.S., Drafting & Design; B.S., Construction Management, 2024
Wayne State College | Wayne, NE
Cari joined W. A. Klinger as a Project Engineer in 2024, following a successful summer internship with the company. She graduated from Wayne State College with degrees in Drafting & Design and Construction Management. During her time at W. A. Klinger, Cari has worked on several notable projects, including the Cherokee Hospital Renovation, USD Union Building Renovation, and Wilson Trailer plant remodel in Lennox, SD.
Outside of work, Cari is actively involved in her community, serving on the Thurston County Ag Society and the Dakota-Thurston County Fair Board. Originally from rural Northeast Nebraska, she enjoys staying connected with the local agricultural community and contributing to the success of local events.
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PROJECT MANAGER
B.S., Business Management
Briar Cliff University | Sioux City, IAMike joined W. A. Klinger as a Project Engineer and was promoted to Project Manager in 2025. He brings extensive experience from his previous role as a self-employed residential contractor, along with 10 years working for a local telecommunications company as a Project Manager, Construction Foreman, and Mapping Technician. His diverse background provides strong leadership and a practical understanding of field operations.
Outside of work, Mike is married with four awesome kids. He enjoys playing music in local bands, outdoor activities, spending time with friends, and watching movies with his family. He also volunteers as a youth sports coach.
KLINGER COMPANIES
JODI MILLER
Chief Financial Officer
ALIZABETH POWELL
Vice President/Controller
SHELLY KROHN
Vice President of IT
RON RENS
President & Chief Operating Officer
CADRIEN LIVINGSTON
Director of Safety
JOHN GLEESON
Chief Executive Officer
KEVIN SCHULTZ
Vice President of Risk & Safety
Contact us or give us a call on 712-277-3900 today to see what our team of seasoned professionals can do for you.