Our Leadership Team

“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, Carl A. Nelson & Company
Contact him about:
• Projects with unique challenges involving mechanical, electrical, plumbing and technology systems;
• Safety Program
• Nelson Design, Inc.
• Overall company leadership and management




Contact him about:
• Construction Management projects;
• Projects in healthcare, education, recreation and public improvements;
• Project management and field supervisory staffing
Contact him about:
• Design-Build and General Contracting projects;
• Projects in industrial, warehouse and distribution, power, laboratory, office or pre-engineered metal buildings
• Nelson Plant Services
Contact her about:
• Accounting;
• Human Resources;
• Insurance
• Procurement
Contact him about:
• Projects in any market segment or delivery method;
• Marketing, sponsorships and promotions
To share details about a project your company or organization is considering and where Carl A. Nelson & Company can help, visit the contact page, or call our office at (319) 754-8415.