Vittorio Fossati-Bellani, Ph.D., has been appointed chief marketing officer at Coherent Inc. . . . Larry Schwartz has rejoined L-3 Communications as vice president of homeland security and president of the Navigation Products Group, which encompasses L-3's Interstate Electronics Corp. and Space and Navigation Divisions. Schwartz had previously served with the company for more than 30 years, most recently as vice president of business development. . . . Ian Butcher has been named CFO of Cambridge Display Technology, developer of light-emitting polymer and dendrimer organic light-emitting diode technology. Butcher became interim CFO at the company last summer.
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