Chris Yatsko, P.E., is a mechanical engineer with over 20 years of product design and development experience. Chris has worked in a variety of disciplines including automotive, refrigeration, pressure vessel and piping, material handling, production tooling and consumer products. Chris is highly proficient in utilizing solid modeling and analysis tools. He has designed sheet metal, molded, cast and machined components for a wide variety of applications.

Leonard Wagner, P.E., has over 25 years experience as a mechanical engineer. Working in the industrial, manufacturing, consulting and R&D environments, Len has focused on developing new products. He has formal training and expertise in machine design, stress and fatigue analysis, heat transfer and thermodynamics with special emphasis in cryogenics and vacuum technology. Len is published in technical journals for his work in vacuum technology.