Our Team
Our Team




At Cass Precision Machining we foster a culture of collaboration that runs from our President and Leadership Team down to the newest hire on our production floor. Our staff is comprised of creative and caring people who are innovative thinkers and problem solvers. With an inclusive culture and strong team camaraderie, all of our employees take on stimulating challenges under a positive tone that encourages employee engagement and a culture of recognition.

We strongly believe that our people are what make the difference between Cass and other machine shops. We invest heavily in our staff and treat them like members of our family. The result is low turnover, longevity, and high productivity. We believe our first mission at Cass is to provide good livelihoods to our employees and their families. Without this tenet in place, nothing else would matter.


James Larson


James has been in the business of optimizing customer experience, driving operational excellence, and innovation for more than 30 years. James's background spans manufacturing, supply chain, product launches, and sales in a variety of global and domestic settings. His passion is building great cultures and high performing teams that relentlessly create value. James leads Cass on a path of sustainable improvement that is scalable for growth.

Jason Churness

Director of Operations

Jason joined Cass in 2023, bringing over 25 years of world-class operations experience to the Director of Operations role. He has a variety of experience ranging from contract manufacturing, low volume/high-mix assembly, sheet metal fabrication, product reconditioning, and new product launch. He has a strong understanding of Lean/Continuous Improvement concepts and tools used to drive increased capacity, improve material flow and reduce customer lead-times. Jason has worked with and managed QMS, ISO9001, ISO13485 and AS9100 quality systems and processes. He has demonstrated a solid track record of applying lean and quality systems to the manufacturing processes that add the most value to our customers.

Dave Past

Director of Operations, Micro-Fab

Dave Past began at Micro-Fab in 1998 and over the years has spent time working in all facets of the business. Dave is looking forward to working with the team on the challenge of helping the Micro-Fab division and Cass Precision as a whole grow and meet the new challenges of the future in the machining industry. A sports fan his whole life, there’s a good chance you’ll find him watching or listening to the Wild or Vikings game. As a young adult, Dave earned his black belt in Tae Kwon Do. He enjoys travel and hiking in the outdoors, especially camping and canoeing in the Boundary Waters in northern Minnesota.

Sarah Schreiner


Sarah has over 25 years’ experience serving in leadership roles at companies in the manufacturing industry, mainly in the areas of accounting and human resources. At Cass, she oversees the financial health and well-being of the Company, and serves the employee population by helping make Cass an outstanding place to work. Sarah’s passion is big picture strategic planning that drives company improvement objectives. She puts that passion into action by being a go-to person to work collaboratively with people to make improvements that support long term results. Sarah holds a B.A. in Accounting from Gustavus Adolphus College. Sarah is married, has 2 sons, and a mini goldendoodle named Ozzie. In her free time, she enjoys spending quality time with family & friends, traveling, playing pickleball, and spending time in northern Minnesota.


Cass Precision Machining's core values revolve around prioritizing people and relationships, both within the organization and externally. At Cass, we emphasize going the extra mile by being strategic partners and proactive problem solvers, committing to collaboration for successful outcomes. Cass is dedicated to continuous improvement, actively seeking innovative solutions to challenges, and upholding high standards of excellence in all aspects of our work.

The Cass leadership team

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