San Diego-based IP storage provider StoneFly Networks said this week that it has appointed William R. Atkinson as President and CEO. Atkinson joins from Astute Networks, where he was President and CEO of the firm, and has also served at Arroyo Optics. StoneFly also said that it has named Darrell Smith as VP of Engineering. Smith joins from AMCC and JNI, where he was director of software development.