Sands Wall Systems

Meet Our Team of Experts

Sands Wall Systems is more than just a team of experienced drywall & framing 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.

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Greg Sands

CEO
Sioux 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
Ryan Rademacher

President
Sioux Falls

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

 

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Jared Swenson
Jared Swenson

President of Operations
Sioux Falls

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

 

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John McCollister
John McCollister

Controller
Sioux Falls

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.

Derek Maassen
Derek Maassen

Director of HR, Recruitment & Safety
Sioux Falls

I have spent the last 12 years of my career in education and the past 7 years as a principal. I was in the business of people. I was thrilled to join the Sands Wall Systems team as they share my passion for serving people and the community. My new role as the Director of Human Resources, Recruitment, and Safety will allow me to continue to develop people and cultivate leadership within an organization that has a proven winning culture and an eye for innovation. The people are what makes Sands Wall Systems successful, and I look forward to working alongside them.

My beautiful wife, our two children, and I enjoy spending time at the lake. I am also an avid outdoorsman and appreciate spending as much time as possible in nature.

Shara Johnson (2)
Shara Johnson

Accountant
Marion 

Shara is a Sioux Fall's native. She has an accounting degree, plus several years of construction accounting experience. She is married with 2 sons & 5 grandchildren. In her free time, she enjoys motorcycle riding, camping, trail riding in the Hills, hunting, fishing, & spending time with family & friends. 

Jonna Mellem
Jonna Mellem

Office Assistant/Receptionist
Sioux Falls

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

Jenn Kerf-McMath
Jenn Kerf-McMath

Office Assistant
Sioux 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.

Nick Brungardt
Nick Brungardt

Logistics & Equipment Manager

Sioux Falls

I graduated from the University of Nebraska Kearney in 2019 with a Supply Chain Management Degree while playing football for the Lopers. I moved to Sioux Falls, SD from Kearney, NE in 2019 and spent the past 5 years working as a Logistics and Inventory Manager. I am grateful to be able to continue my career working with the best in the business at Sands Wall Systems.

I am happily married and when I am not working, I enjoy cheering on the Nebraska Cornhuskers and playing card games. I am a family man who will give my all to help those around me.

Evan Caldwell
Evan Caldwell

 BIM/Revit Coordinator

Sioux Falls

Evan grew up in Brookings and attended SDSU for a few years. He then moved to Sioux Falls to attend Southeast Tech. Evan is married with 2 kids, Everleigh & Reuben. In his spare time, Evan enjoys practicing kendo at Sioux Falls Sword Academy and playing Dungeons & Dragons. Someday, he would like to return to Japan to see more sites. 

JholayneHalverson
Jholayne Halverson

BIM/Revit Coordinator

Sioux Falls

Jholayne (usually known as Jay) grew up in Hartford, SD, and lives in Sioux Falls. She obtained a degree in Architectural Engineering Technology from Southeast Technical College and joined the team shortly after graduation. When she’s not bouncing between the office, shop and various jobsites, Jay enjoys reading, gaming, and running around with her fluffy dog, Eris, on her grandparents’ farm.

Alyssa Womble
Alyssa Womble

Assistant BIM/Revit Tech

Sioux Falls

Native to Sioux Falls, Alyssa went to school in Brandon and then moved on to Southeast Tech for a degree in Architectural Engineering Technology, while she finished up school she started here at Sands. When she is not in the office, you can find her playing with her dog, reading, and hanging with her family & friends.

Travis Steilen
Travis Steilen

Senior Estimator / Project Manager
Sioux 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
Kyle Baker

Senior Estimator / Project Manager
Sioux 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
Brian Moore

Senior Estimator / Project Manager
Sioux 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
Riley Soukup

Estimator / Project Manager
Sioux 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
Jon Turbak

Estimator / Project Manager
Sioux 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.

Jordan Kjenstad
Jordan Kjenstad

Estimator / Project Manager

Sioux Falls

Jordan grew up in Aberdeen, SD. He attended Southeast Tech and earned a degree in Construction Management back in 2020.  In his free time, he enjoys playing any type of sport imaginable and cheering on the Minnesota sports teams.

Craig Stoos
Craig Stoos

Taping Superintendent
Sioux Falls

Originally from Remsen, IA. Moved to Sioux Falls in 2001. Craig has been in construction since graduating high school in 1992. He started with Sands Wall Systems in 2012. He enjoys Vikings Football, traveling, and hanging out with my beagle Maggie.

Marshall headshot
Marshall "Jake" Jacobson

Project Coordinator
Sioux 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.

Dan Edwards
Dan Edwards

Branch Manager
Rapid 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.

William_Jaklich
Bill Jaklich

Branch Manager
North 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
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.

TerryCurl
Terry Curl

Hanging & Taping Assistant Superintendent
Sioux Falls

Terry’s been with Sands almost since the beginning, about 30 years. He enjoys spending time with his two kids. Terry loves vacations, fishing, camping and riding his Harley. 

Juan Duenas (2)
Juan Duenas

Prefab Factory Manager
Sioux Falls

Juan moved to Sioux Fall's from El Salvador when he was a teenager. He's been working in construction for about 12 years. He enjoys spending time with his wife & daughter. In his spare time, he likes to camp, play video games, remodel his house, & swim. 

Jose Arellano 2
Jose Arellano

Assistant Taping Superintendent
Sioux Falls

 

John Parker
John Parker

Assistant Taping Superintendent
Sioux 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.

Rob Boyer
Rob Boyer

Assistant Hanging Superintendent
Sioux Falls