HANOVER, Md.--(BUSINESS WIRE)--Ciena ® (NYSE: CIEN), the network specialist, today announced that François Locoh-Donou has been appointed senior vice president and chief operating officer, effective November 1, 2015, reporting directly to President and CEO Gary B. Smith. Locoh-Donou has served as senior vice president of Ciena’s Global Products Group since August 2011. In this new position, Locoh-Donou will assume responsibility for Ciena’s Global Field Organization, including the global sales


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