Sands Wall Systems

Meet Our Team of Experts.

Sands Wall Systems is more than just a team of experienced drywall contractors, we're a family. We all come from unique walks of life, but all share one common passion, a love for what we do. Get to know our family a little bit better.

Greg Sands

CEOSioux Falls

I started in the drywall industry in 1975 as a drywall finisher in Rapid City, South Dakota and moved around the ...

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Ryan Rademacher

PresidentSioux Falls

I have been proudly serving Sands since 2004. After graduating from Grant-Deuel …

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Jared Swenson

Vice PresidentSioux Falls

I am proud to have been serving this team of drywall experts since 2005. I’m ...

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Travis Steilen

Estimator / Project ManagerSioux Falls

Travis has been with Sands since 2008. Originally from Alexandria, SD, he got his BS in Construction Management and a Minor in Business from South Dakota State University. Travis is married and has two kids, a girl and a boy. In his free time, he enjoys golfing, hunting, snowmobiling, watching sports, and spending time with his family.

Kyle Baker

Estimator / Project ManagerSioux Falls

Hailing from Ida Grove, IA, Kyle has an expansive education with an Associates of Applied Science in Architectural Construction/Engineering from Iowa Tech Community College, as well as a BS in Construction Management and Business Minor from South Dakota State University. He also loves running and motorcycles.

Brian Moore

Estimator / Project ManagerSioux Falls

Brian comes to us from Moorhead, MN and graduated with a BS in Construction Management from NDSU. We've been happy to have Brian with us since 2010. He is married with two boys and a girl, and in his free time he hopes to restore his 1970 Mustang.

Riley Soukup

Estimator / Project ManagerSioux Falls

Coming from Wagner, SD, Riley graduated from South Dakota State University in Construction Management with a Business Minor. In his free time, you can find Riley hunting, golfing, or rooting for his favorite teams, the 49ers and Jayhawks.

Jon Turbak

Estimator / Project ManagerSioux Falls

Jon comes from the small town of Kranzburg, SD. He is a 2016 Civil Engineering graduate from South Dakota State University (Go Jacks). Jon’s pastime enjoyments include hunting, camping, exercising and watching the Minnesota Vikings and Twins.

Neil Krogmann

East River and North Dakota Safety Officer

Neil comes all the way from Luverne, MN. With more than 35 years of construction experience, he knows his way around a site, which is why Sands is so fortunate to have him has a Safety Officer. Aside from his profession, Neil is also passionate about dirt track racing.

Julie Hahn

Human Resources / Safety ManagerSioux Falls

Our human resources professional, Julie, comes to us from Walnut Grove, MN, with experience in safety and construction. She's graduated from SDSU with a BS in Sociology and Human Resources MGMT, and Colorado Tech University with an MBA in Human Resources MGMT. She loves to train and ride horses, be outdoors, spend time with her labs Mattie II and Macey and attend concerts.

Connie Haugen

Office ManagerSioux Falls

From Woodstock, MN, Connie has attended Nettleton Business College for Accounting. She is married with two sons and has started at Sands all the way back in 2005.

Laura Hofstee

Payroll CoordinatorSioux Falls

Laura is a camping and outdoors enthusiast, from Hawarden, IA. She is happily married and enjoys traveling.

Jonna Mellem

Receptionist/Office AssistantEmerson, NE

Jonna is from Emerson, NE and moved to Sioux Falls in 2012. Her and her husband have a 4 year old son and she enjoys antiquing, puzzles, and collecting rare house plants. She also loves to hangout and walk her dogs, Barnaby and Clover.

Jennifer Kerf-McMath

Office AssistantSioux Falls

From Billings, MT, raised in Sioux Falls, SD. Married with three kids, 2 sons and a daughter. Enjoys going to kids events, spending time with family and friends, watching and attending sporting events.

Marshall "Jake" Jacobson

Hanging Field SuperintendentSioux Falls

"Jake" hails all the way from the distant land of Sioux Falls, SD. He's attended the University of Nebraska Lincoln and South Dakota State University, and now has 28 years of construction experience. He is happily married and the loving father to both a son and a daughter. Jake enjoys playing pool and golf, watching University of North Carolina basketball and University of Nebraska football, as well as spending time with his family.

John Parker

Taping Field SuperintendentSioux Falls

Originally from Las Vegas, NV. Moved to Sioux Falls in 1990. Married since 2002 with 2 kids. Started with Sands in 2006. Enjoy kids sporting events, fishing, Husker football, and The Dave Matthews Band.

Shaun Crable

Assistant Taping SuperintendentSioux Falls

Shaun has been with Sands since 2013 but has been in the trade since 1998. He is originally from Cedar Rapids, IA and enjoys spending time with family and friends. In his free time, he likes to hunt, fish, camp, and volunteers as a local fire fighter.

Dan Edwards

Branch ManagerRapid City

With more than 30 years of construction experience, Dan joins our Rapid City branch all the way from Flint, MI. When he's not working hard as the Branch Manager, you can find Dan outdoors, either camping, fishing, or golfing.

Bill Jaklich

Branch ManagerNorth Dakota

Bill is a native of Racine, WI with more than 27 years of construction experience. He is the very proud father of a son and daughter, who are both attending college. When he's not working hard as our Branch Manager, you can find this Chevy Corvette enthusiast playing golf, fishing, or camping.

Brian Doom

Framing / EIFS Superintendent

Originally from Westbrook, MN, Brian has been with Sands Wall Systems since 2005. Brian started out as a framer and became a framing foreman in 2010. In 2021, he took his current role as Framing/EIFS superintendent. Him and his wife, Jen, and have a 3-year-old daughter named Kennedy. In his free time, he enjoys golfing, fishing, and spending time with his family.

John McCollister


As a Sioux Falls native, I was familiar with Sands’ remarkable reputation in both the industry and the community. I am proud to have recently joined Sands Wall Systems as Controller and am thrilled to be part of such a great team. I have an MBA with an emphasis in accounting and 7 years of construction finance experience. I am married with two sons and a golden retriever. In my free time I enjoy coaching my boys’ hockey, golfing, going to the lake, and spending time with friends and family.

Rob Boyer

Assistant Hanging Superintendent