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Tony Tang
Engineering Manager
Tony is a knowledgeable resource for fluid control design and is named on our Zero Flow patent. His areas of focus include catalysis research and fuel cells.Read More
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Ryan Heffner
Senior Design Engineer
Ryan brings energy and focus to new product development and is especially excited about sanitary applications, refrigeration applications, and glovebox control.Read More
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David Reed
Vice President of Operations, Mechanical Engineer
David draws on 25 years of experience in pressure control as he leads the Equilibar team. Vacuum control and core analysis are among his many areas of interest. Read More
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Alan Black
Applications Engineer
Alan did research in computational astrophysics and uses computational modeling to predict valve performance. He is interested in aerospace applications. Read More
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Jeff Jennings
Founder and President, Mechanical Engineer
Jeff invented Equilibar's key technology and continues to take an active role in research. He is interested in alternative energy and other environmental applications. Read More
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Carlyle Donevant
Design Engineer
Carlyle's background in biomedical engineering and pharmaceutical manufacturing offers multiple advantages for our sanitary and single use customers.Read More
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Zac Cobb
Design Engineer
Combining a knowledge of production systems, metal working and engineering, Zac Cobb finds solutions that benefit the entire creation process.Read More
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Susan Campbell
Chemical Engineer and Quality Manager
Susan's years of experience working in chemical and industrial engineering around the world offer a strong foundation for improving our systems and traceability. Read More
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Alexander Jung
Applications Engineer
Alexander builds on his experience with industry and tutoring to relate to customers in a variety of fields. He is especially interested in unusual applications.Read More
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Diane Jacober
Technical Content Creator, Mechanical Engineer
Diane uses her extensive engineering background to research and document new applications. She is especially interested in flow chemistry and gas chromatography. Read More
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Holly Ledwell
Engineering Technician
With a background in machining as well as fine arts, Holly brings a diverse skill set to assist the engineering team with design and prototyping.Read More
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Julie Detmering
Customer Service, Exports and Compliance Manager
Julie has been with Equilibar since the beginning and is on our tactical leadership team. She oversees export compliance and customer service. Read More
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Sam Sematis
Production Manager
Sam heads up our highly skilled production team, drawing on his background in industrial quality. He was instrumental in setting up our ISO 9001:2015 Quality System. Read More
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Janet Stiltner
Accounting and Human Resources Manager
Janet is Accounting and Human Resources Manager as well as a key member of our tactical leadership team. She also serves as one of our ISO 9001:2015 auditors.Read More
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Leigh Anne Robinson
Customer Service Representative
With more than 20 years of experience as a systems administrator, Leigh Anne Robinson has diverse skills to keep our customer responsiveness at a high level. Read More
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Chelsea Weldon
Engineering Assistant
As engineering assistant, Chelsea Weldon focuses on continuous improvement, ISO and other organizational programs that enable us to achieve customers' expectations. Read More
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Scott Phifer
Inventory, Electronics Testing, Shipping and Receiving
Scott Phifer plays several value-adding roles for Equilibar, from shipping and receiving to inventory to testing select electronics for our production departmentRead More
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Greg Rachkovsky
Inventory Specialist
Greg Rachkovsky not only keeps up with thousands of items so that production always has what they need, he cross trains for many roles to provide valuable back up skills. Read More
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Jason Kelley
Assembly and Testing Technician
After years working as a mechanic for a top-tier theme park, Jason brings a solid knowledge of quality systems to his job as assembly and testing technician. Read More
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Chris Swain
Data Analyst
Chris Swain, Equilibar's Data Analyst, uses his strong technical skills and his understanding of Equilibar's production process to make sure the information channels are clear and effective.Read More
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Philip Correll
Electronics Engineer
Philip provides consulting work for Equilibar's electronic controls. He worked full time in the electronics and computer fields before retiring at the end of 2020.Read More
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Strategic Partners
Specialists Around the World
Our strategic partners enable us to focus on what we do best: design and create the most innovative back pressure regulators and vacuum control valves in the world. Read More
