#4 Paul E. Jacobs, Qualcomm

2013 Approval Rating: 95 percent

2012 Approval Rating: 94 percent

Dr. Paul E. Jacobs is chief executive officer of Qualcomm Incorporated and is also chairman of the Company's board of directors. Dr. Jacobs has been the primary driver of Qualcomm's focus on enabling wireless data services, which make the cellphone a tool not only for voice communications, but also the most personal device for entertainment, computing and information access.

What employees think:

“The company is driven by engineers from CEO downward with a very strong start up mentality. One is free to experiment and contribute the way [they think] is the right approach to any problem.” – QUALCOMM Senior Software Engineer (San Diego, CA)

#3 Frank D'Souza, Cognizant

2013 Approval Rating: 96 percent

2012 Approval Rating: 92 percent

Francisco D'Souza is the president and CEO of Cognizant and was part of the team that founded the Nasdaq-100 company in 1994. In 2007, at the age of 38, he took over from Lakshmi Narayanan, who was promoted to Vice Chairman. Francisco D'Souza is among the youngest Chief Executive Officers in the software services sector.

What employees think:

“Forward looking, with a great leadership at the top. Frank D'Souza has been inspirational in his leadership.” – Cognizant Technology Programmer Solutions (Calcutta, India)

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