“As leaders of Carl A. Nelson & Company, we have the responsibility not to just uphold our reputation of delivering success to our customers as we have for over 100 years, but to make it better. We do this by hiring and retaining people with the right skills, education and attitudes. We are committed to mentor and train them to carry on the legacy with which we have been entrusted.”
— Tim Seibert, P.E., President of Carl A. Nelson & Company
Tim Seibert joined Carl A. Nelson & Company as a Project Manager in 1994, became Vice President, Operations in 1997, and then President in 2007. He is a Construction Engineering graduate from Iowa State University and received his MBA from the University of Illinois, Springfield. A licensed professional engineer with more than 35 years of experience in the construction industry, Tim is responsible for daily operations of the company, leads the project management team, and is heavily involved in design-build projects. He is a past Board Member of Master Builders of Iowa and a member of the American Concrete Institute. Tim is a principal owner of Carl A. Nelson & Company and serves on the Board of Directors of the firm.
Chris Smith, Vice President of Operations (Burlington)
In 1998, Chris Smith joined Carl A. Nelson & Company as a project engineer. Today, he serves as Vice President of Operations in CANCO's Burlington office, and has more than 23 years of construction experience. Chris serves in the role of project executive on healthcare, education and recreation construction projects. He is a graduate of Iowa State University with a Bachelor of Science in Construction Engineering. Chris is certified in healthcare construction by the American Society for Healthcare Engineering (ASHE) of the American Hospital Association; a member of Master Builders of Iowa; and has completed the MBEYE on the Future Leadership Training from Master Builders of Iowa. Chris is a major shareholder in Carl A. Nelson & Company, serves as a member of the board of Carl A. Nelson & Company and the Carl A. Nelson Charitable Foundation.
Jamie Stanley, Vice President of Operations (Cedar Falls)
Jamie Stanley joined Carl A. Nelson & Company as an intern in 1999 and later returned as a project engineer after graduating from Iowa State University with a Bachelor of Science in Construction Engineering. He was senior project manager prior to being promoted in 2020 to the role of Vice President of Operations for the firm's Cedar Falls office. Jamie is responsible for leading complex general contracting and design-build projects for CANCO's industrial clients in the role of project executive. He also has oversight of the Nelson Plant Services division of Carl A. Nelson & Company. Jamie is an employee-owner and serves on the Board of Directors of Carl A. Nelson & Company.
Dan Culp, Director of Business Development
Dan Culp is a graduate of Iowa State University with a Bachelor of Science degree in Construction Engineering, and joined Carl A. Nelson & Company in 1995. In his role as Director of Business Development, Dan works with clients and prospective clients to secure work and build relationships. In the role of Project Executive, he provides excellent leadership and technical expertise for our clients by encouraging open communication and building mutual trust within the entire project team. He is a member of Master Builders of Iowa and is certified in healthcare construction by the American Society for Healthcare Engineering (ASHE) of the American Hospital Association. Dan has more than 30 years of construction experience, serves on the Board of Directors and is a shareholder of Carl A. Nelson & Company.
Gregg Mandsager, J.D., Vice President of Administration
Gregg Mandsager joined the firm in September 2020 as its Vice President of Administration. Gregg brings a lengthy history in municipal government administration to the role. Since 2000, he has been the city administrator or manager of the cities of Muscatine, Iowa; Lebanon, New Hampshire; and West Burlington, Iowa. As vice president of administration, he serves as secretary on the Carl A. Nelson & Company Board of Directors. His day-to-day responsibilities include managerial oversight of functions including accounting, finance, human resources, information technology, safety and warehouse and equipment operations.
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Design-Build, Construction Management and General Contractor | Offices in Burlington, Cedar Falls and Washington, Iowa