#11 Thomas Georgens , NetApp, 2014 approval rating: 86Percent, Overall rank: 31

What employees think:

"Great People, nice place to work overall, but that is about it. Company is not well balance between Sales and rest of the organization, if you are outside sales be prepare to work 12 to 14 hour days, daily." - Recruiter (London)

"Smart People. Great Technology. Lots to Learn. No shortage of work. Nice surrounding living area. Relaxed work environment. Flexible Hours. Decent compensation. Free beer." - Member of technical staff (Triangle Park, NC)

Since 2009, Thomas Georgens has been the president and Chief Executive Officer of Net App and was responsible for all field and product operations worldwide. Prior to Joining at NetApp, Georgens served various roles at LSI Corporation, electronics design company, and its subsidiaries, including CEO of Engenio, Executive Vice President of LSI Logic and President of LSI Logic Storage Systems.

#10 Frank D'Souza, Cognizant Technology Solutions, 2014 approval rating: 90 Percent, Overall rank: 24

What employees think:

"Transparent and proper visibility to the management. Good employee benefit programs. Smart market strategy for overall company growth." – Cognizant Technology Solutions quality assurance engineer (Atlanta)

Francisco D'Souza has been the Chief Executive Officer of Cognizant since 2007. D'Souza is also known as the youngest CEO in the software service sector. In 2007, he took over the position from Lakshmi Narayanan, who was then promoted as Vice Chairman. D'Souza holds more than 20 years of experience in IT sector, in both advisory and operational fields. He manages both the operations and business growth of the company, by working with the Cognizant clients who uses offshore resource to exchange software development and maintenance projects. Francisco D'Souza received The Economic Times Entrepreneur Award in 2005. In 2013 as part of Leadership Awards, D'Souza was named as the Best CEO in the MNC category by Forbes India magazine. In 2013, he also ranked among “100 CEO Leaders in STEM” by STEMconnector.

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