Where would Cisco (and its CEO) be without her? By: CNBC.com News December 19, 2014 at 11:49 AM EST Few people in tech worked harder over the past 24 years than Debbie Gross. She's executive assistant to John Chambers, the legendary CEO of Cisco. Read More >> Related Stocks: Amazon.com Apple Cisco Systems Ford Motor General Motors Microsoft Oracle Corp Pandora Media Inc Synopsys Inc