Wolfgang Greiner, President
Any construction company can put up walls and pound nails, but Greiner Construction is not just any construction company. Wolfgang Greiner, President and Managing Partner, has dedicated much of his professional life to building a company that is...
Debra Hansen, Vice President - Finance and Office Administration
As Vice President of Finance and Office Administration, Debra oversees financial management, forecasting and budgeting for Greiner and is responsible for maintaining its computer hardware and software systems.
She also heads up human ...
David Rau, Director of Business Development
David believes that the role of Business Development is a key driver to the growth of any organization. “Business development involves evaluating a business and then realizing its full potential with a holistic approach using a variety of tools ...
Hans Siefker, LEED AP / Senior Project Manager
Since beginning his career with Greiner in 1998, Hans has demonstrated a rare understanding of the universal language of business, and the nuances particular to construction. He knows that getting the job done right and on time translates into c...
Spencer Finseth, LEED AP BD+C, CESSWI / Senior Project Manager
Over the last two decades, Spencer has managed almost every type of project imaginable: hotels and restaurants, small retailers and big box stores, corporate offices, churches and movie theaters. Some experiences have required that he adhere to ...
Tom Hochstaetter, LEED AP / Senior Project Manager
Tom has an incredible will to succeed. That is a real advantage to his clients who quickly learn that Tom will do everything he can to give them what they need -- no matter what the challenge.
Tom’s selfless efforts to keep client...
Jim Welch, LEED AP / Senior Project Manager
To ensure that every job is done right the first time, Jim focuses his attention on three critical elements: details, communication and follow-through. These are the pillars of a job well done. Jim sets the bar high, and expects to exceed his cu...
Kory Carlston, LEED AP ID+C/ Project Manager
Always a stickler for quality craftsmanship, Kory's straightforward style lends itself to the demands of managing complex projects. He is a master at managing projects within tight budgets and schedules. This made Kory the perfect choice to ...
Tom Halloran, LEED AP / Project Manager
Tom is passionate about rolling up his sleeves and digging into the details. In over ten years of working in the construction industry, he’s proven that it’s how the details are handled that determine the client’s experience and the success of a...
Barry Stoffel, LEED AP / Project Manager
Ask Barry about any of the many successful projects he’s managed and he’ll tell you, “Teamwork is everything.” Delivering an outstanding finished product is impossible without an effective and well-managed team, and Barry is skilled at bringing ...
Brian Wessels, LEED AP BD+C, CESSWI / Project Manager
Not one to shy away from a challenge, Brian enjoys digging into a project, fully understanding the requirements and establishing a plan to make it succeed. By treating the project as his own, Brian is able to maintain the client’s interests whil...
Bert Westerman, LEED AP / Project Manager
Bert’s energy, passion for work well-done and ability to build productive partnerships has already made a huge impact on every project he has led. A strong leader and motivator, Bert holds himself and his team accountable for excellence in every...
Les Bordsen, General Superintendent
Les believes construction is all about people, communication and accessibility. He is committed to creating an atmosphere where employees can deliver their best work. He works equally hard to help his construction vendors and suppliers maximize ...
Paul Kreutzfeldt, General Superintendent
There’s a phrase you’ll hear often from Paul Kreutzfeldt, “It’s all about the customer, pure and simple.” It’s not in Paul’s nature to crow about himself; he prefers to talk about his customers and the satisfaction he gets from taking care of t...
Glenn McGary, General Superintendent
Glenn thrives on jobs that are challenging, complex and difficult. When confronted with significant hurdles, he digs in and figures out how to solve the problem. Glenn raises the bar for everyone on the project, allowing each participant to give...
Kevin Vayder, General Superintendent
Customers understand what they’ll get from Kevin -- a straightforward commitment to completing projects on time and without problems. Kevin is adept at managing manpower and field operations for a large number of projects, and he respects and un...
Randy Johnson, Superintendent
Randy’s experience as a Superintendent has taught him that client needs come first and that clear communication is key to keep all parties on track and on schedule. His background as both a carpenter and foreman help him understand the day-to-da...
Patrick Peters, Superintendent
Patrick hasn’t earned his impeccable reputation for understanding client needs by doing all the talking. After more than 20 years in the industry, Patrick knows that “listening more and talking less” is the key to smooth and successful projects....
Dave Vlieger, Superintendent
Dave joined Greiner in 2005 with more than 25 years of experience in the construction industry. He’s well known for his close attention to detail, ability to build strong team chemistry and commitment to excellence -- all hallmarks of his abilit...