Kathleen Iverson was named CEO of CyberOptics Corp. Iverson, who retains her prior post as president, succeeds Steven M. Quist as CEO, who retired. Iverson and Quist will remain on the board of directors. CyberOptics, based in Minneapolis, manufactures yield and throughput enhancement tools for the SMT electronic assembly equipment and semiconductor fabrication equipment markets.   . . .    Todd Childress was appointed CFO and Edward Patton as vice president of marketing at LightPath Technologies Inc., which produces precision-molded aspheric optics, fiber optic collimators, isolators and advanced manufacturing technologies.