Gneuss Inc., Matthews, NC, the North American subsidiary of German machinery manufacturer Gneuss Kunststofftechnik GmbH, has added new staff to meet the needs of its expanding business in North America. Chuck Szoke joined the company as an additional sales engineer for screen changers and polymer filtration equipment. His territory will be the northeast U.S. Mr. Szoke brings almost 20 years of experience with plastics extrusion machinery to Gneuss. In another appointment, Don Johnston joined the sales staff as sales engineer, measurement technology. He will be responsible for all pressure transducers, temperature sensors and instrumentation sales. Mr. Johnston was previously employed by GP:50 and has more than 10 years of experience in industrial transducers sales.