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D&M Industries Leadership Team

D&M has been building a winning team since 1982 when we started with just 5 employees. Today we are over 100 and a wholly employee owned company.


Brian Becker


Brian became the President of D&M Industries on April 1, 2018 and then transitioned to CEO in March 2024. He has over 30 years of financial and operational management experience. Brian has been involved with the administration, management and governance of ESOP companies for over 25 years. He has been a speaker at various ESOP conferences on topics that included mergers and acquisitions, budget and forecasting, and repurchase liability. He currently serves on D&M’s Board of Directors in addition to the Finance Committee of the YMCA of Cass & Clay Counties. In his time away from work, you can usually find Brian spending time with his family at their family lake home or in the field with his two German Shorthair dogs chasing upland game.


Dan Otto

President / CFO

Dan joined the D&M team in 2020 to serve as Chief Financial Officer. In 2024, he became the president of D&M as well! He grew up in Moorhead and comes to D&M with almost 20 years of finance and accounting experience in manufacturing and construction operations, both large and small. He works to help make the numbers understandable and actionable for everyone on the team. In his spare time, you’ll find Dan traveling with his family, playing with his kids, learning, writing and going for walks.

Tom Nagel

CSO (Chief Sales Officer)

Tom became the Vice President of Sales for D&M Industries in April 2018 overseeing the Commercial, Hospitality and Residential sales divisions after spending the previous 3 years doing outside sales and managing Commercial sales. Then, in March of 2024, Tom became the Chief Sales Officer. Prior to D&M, Tom worked in service for Xerox Corporation for 23 years. Tom is passionate about leading D&M to become the number one supplier of doors, hardware, millwork and windows and to helping D&M achieve their core value of being easy to do business with. In his spare time you can find him riding motorsports or following various sports teams in football and hockey. If you need D&M products, call Tom!

Brad Wischnak

COO (Chief Operating Officer)

Brad brings 20 plus years of purchasing and manufacturing experience working at D&M. He is always willing to lend a helping hand were needed. In his spare time, he enjoys spending time with his family along with hunting and fishing.


Kim Buchholz

HR Manager

Kim has been in Human Resources/Payroll/Accounting for 30+ years. She has enjoyed her years with D&M since no two days have been the same as each day brings many rewards and some challenges. When not at work she enjoys camping, baking and spending time with friends and family. Her favorite holiday is Halloween and setting up her animatronics to “thrill” the neighborhood children. The scarier the better!

Mark Tuma

IT Manager

Mark leads the information technology team at D&M. He has over 20 years of experience in consulting, delivering professional services, administration and business technology. Mark strives to provide the use of technology for our business partners and employees to promote the best customer service experience possible.

Aaron Knutson

Strategic Business Relationship Manager, Commercial

With over 20 years of experience in the construction industry, Aaron started learning the construction trades in the field working on new custom homes, remodeling, and light commercial construction. He then obtained a Construction Management degree from Minnesota State University of Moorhead.

For the past 10 years, Aaron has been with D&M Industries as an Estimator and Project Manager in the Commercial Sales Department overseeing many multi-family, hospitality, and assisted living projects. His expertise and professionalism have been an integral part in developing and growing long lasting relationships with general contractors, architectural firms, and owners/developers.

As Strategic Business Relationship Manager of Commercial Sales he will continue to grow these existing relationships as well as build new partnerships valuable to both D&M customers and our employee-owners.

Outside of work Aaron enjoys being active with his wife and two kids in the outdoors hiking, camping, and playing sports. He also stays busy with home DIY projects and experiments with painting landscapes.

Brian Stanley

Operations Manager

Brian began his career at D&M in March of 2019 as a Commercial Project Manager. In January of 2022, Brian accepted his latest role as Operations Manager. Prior to D&M, Brian spent the last 14 years in the construction and materials industries. His career dates back to high school where he first found his passion for construction. In his free time, Brian enjoys spending time with his friends and family outdoors – camping, hiking, skiing/snowboarding, and fishing. Brian also enjoys playing ball with his dog, Copper. While motivated to be well organized, efficient, and forward thinking. Brian Strives to make D&M a better place.

Joyce Babler

Marketing & Training Manager

Joyce has worked at D&M for 15 years in several positions and brings a depth of knowledge to D&M. She is passionate about helping D&M to grow & is willing to pitch in whenever needed. When not at work Joyce enjoys spending time with her family & being outdoors.

Adam Muellenbach

Purchasing Manager

Adam began his career at D&M in February of 2016 as a Purchasing Agent. In November of 2023, Adam accepted his latest role as Purchasing Manager. His responsibilities are to lead the purchasing department, implement strategies for inventory management and build relationships with suppliers. With a strong commitment to quality and continuous improvement, Adam is driven to help grow D&M in all aspects of the business. Prior to D&M, Adam spent 15 years in the retain/customer service industry. When not at work, Adam enjoys golfing and spending time at the lake with his family.

Josh Olson

Delivery and Logistics Manager

Josh started his career at D&M in 2015 as a delivery driver. Josh since has held multiple coordinator and supervisor titles before accepting the position of Delivery and Logistics Manager in November of 2023. Josh is dedicated to making D&M a better place for everyone and is willing to help wherever he can. Outside of work Josh loves traveling with his wife, hanging out with friends and weekend barbecues with family in the summer.