Kirby-Smith Machinery Hires David Kellerstrass as General Manager, Product Support Sales

Kirby-Smith Machinery, Inc. (KSM) announced David Kellerstrass as General Manager, Product Support Sales. Kellerstrass will manage product support sales operations, which includes oversight of 16 product support sales representatives for the company. He will focus on growing parts and service opportunities for KSM, partnering with industry suppliers and engaging KSM’s customer base to ensure their satisfaction. Kellerstrass will work out of the Dallas office.

Kellerstrass has over a decade of experience in Komatsu dealership operations, joining KSM after a diverse 11-year career in sales and management at Power Motive Corporation in Colorado. In that position, he served in roles as a territory salesmen, rental operations and fleet general manager, and most recently as a corporate product support sales manager.

“David is well known in our circles for his leadership, work ethic and ability to build strong relationships with customers, suppliers and teammates. We are very fortunate to have him join our team at Kirby-Smith,” said Brad Campbell, vice president of product support.  

Kellerstrass is enthusiastic about his new team and will focus his managerial efforts on putting them in the best position to be successful.   

“I’m a firm believer in cultivating the skills of the people around you so they can grow, problem solve, succeed and build relationships,” said Kellerstrass. “Kirby-Smith is a great organization because of its people and I’m excited to be a part of what we are building.”

Kellerstrass and his wife Karissa are both native Coloradans and have never lived outside the state until now. They have three children together, MaKinley 10, Jace 8, and Emery 6. He cherishes his family and the adventures they share together, including this new one at Kirby-Smith Machinery.

About Kirby-Smith Machinery, Inc.

Kirby-Smith Machinery, Inc. was established in 1983 and is recognized as one of the premiere new and used heavy construction equipment and crane dealers in the country. Kirby-Smith Machinery and its hundreds of dedicated professional employees are committed to providing reliable new and used equipment for sale and equipment rentals, as well as responsive service and equipment parts for multiple makes and models. Kirby-Smith Machinery has more than 10 branch locations in Oklahoma, North Texas, West Texas, Kansas and Missouri. For more information about Kirby-Smith Machinery, call 888-861-0219 or visit

You can view all of Kirby Smith Machinery’s Inventory online at Rock & Dirt.

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