Lynch currently serves on the boards of TranSwitch Corporation where he is chairman and Ruckus Wireless.

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In a column published in November 2005, I wrote about how Selena Lo, CEO of Ruckus Wireless in Sunnyvale, Calif.

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Silicon Valley entrepreneur and CEO of Wi-Fi equipment maker Ruckus Wireless Selina Lo, 52, learned some tough lessons from her father Bokong Lo, 77.

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The top tech IPOs in 2012 in descending value were Facebook, Workday, ServiceNow, Palo Alto Networks, Splunk, Vantiv, Kayak, Guidewire Software, Ruckus Wireless, ExactTarget.

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Google sees its revenue-generating Web services as "inextricably linked to the infrastructure" of the pipes that bring the Web to people's devices, said David Callisch, a marketing executive at Ruckus Wireless Inc.

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And there are plenty of other apparently strong companies ready to roll with their own IPOs if Palo Alto Networks and Kayak show the way, among them Glam, Workday, Ruckus Wireless, and Box.

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Ruckus Wireless, the Wi-Fi networking company she helped start in 2004, set out to change that, working to show that Wi-Fi could stand up to the demands of everyone from enterprise customers to broadband service providers.

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