Elcon Inc. recently announced the appointment of Harald Mynster as president. With 30 years of semiconductor industry experience, he has held senior level positions at Scott Semiconductor Gases, Exsil, Inc., Appian Technology and Signetics Corp. (Philips Semiconductor). The company also named Glen Sykora manager of ceramic development engineering. Sykora will head up the company's R&D activities and new product introduction efforts. He has over 15 years of experience in the high-tech materials industry.