Optical systems developer Ruda Cardinal Inc. has named Stuart Singer as its senior technical director. Singer brings 38 years of optical manufacturing, lens design, program management, and technical sales experience in military, aerospace, and industrial applications. He was the senior vice president and chief technology officer of Schneider Optics, the U.S. subsidiary of Schneider-Kreuznach, for the last seven years, and technical director for 17 years. Prior to Schneider, Singer was the optical engineering manager at Loral Fairchild Systems, formerly known as Fairchild Reconnaissance and Surveillance Systems, for 14 years. Ruda Cardinal specializes in the design, analysis, production, testing, and rapid prototyping of optical systems.