Recipes - Leadership Team

Scott Holm


Posted February 5, 2024

Scott joined Henry Carlson Construction/ASCO/Kyburz-Carlson as a Safety Manager. He brings with him over 20 years of invaluable experience in the safety field and is a graduate of South Dakota State University. Scott said, “I really enjoy working in the safety field because I am very passionate about protecting people”.

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Dave Lems


Posted September 19, 2023

Safety is our most important core value. We are committed to maintaining a safe work environment for all employees, subcontractors, clients, partners and the public. Dave uses his no-nonsense approach each day as he prepares the project-specific risk management plans, trains our workers, and conducts on-site safety inspections. Once identified, any safety concern is addressed […]

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Dave Derry


Posted February 14, 2017

With over 30 years of construction experience in construction estimating and project management, Dave is extremely effective during the pre-construction phase of the project.

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Tammy Spellman


Posted September 30, 2016

Tammy Spellman has been with the team since December 2012. She resides here in Aberdeen with her husband and four children. She attended Northern State University majoring in Business Management and Biology. Tammy brings joy and personality to the Kyburz-Carlson office as well as knowledge, organization, and a positive “get-it-done” attitude.

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Jennifer Law


Posted September 30, 2016

Jennifer graduated with honors from Northern State University in December 2005 with a Bachelor of Science degree in Accounting. She joined the team in August 2006 as an AP Manager. Her dedication, loyalty, and knowledge has helped Kyburz-Carlson grow as a company and team.  She enjoys camping in the summers with her husband and two […]

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Henry “Chip” Carlson III


Posted September 30, 2016

Chip Carlson began with Henry Carlson in Sioux Falls as a carpenter apprentice in the late 1970s. He joined the company’s management team in 1982 after receiving a Bachelor of Science degree in Construction Management from the University of Louisiana at Monroe and is currently President of the company. In 1985, Henry Carlson Company merged with Kyburz Construction and in 2007 […]

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