#6 Joe Tucci

Company: EMC

Approval rating: 86 per cent

Global ranking: 6

Joseph Tucci, popular as Tucci, is Chairman of the Board of Directors, President and Chief Executive Officer of EMC Corporation. Tucci has been EMC's Chairman since January 2006 and President and CEO since January 2001, one year after he joined the company as President and Chief Operating Officer. Previously Tucci directed the financial and operational rebirth of Wang Laboratories during six years as its Chairman and CEO.

Tucci has led the Company to continued market gains and sustained double digit growth.

#5 Paul Maritz

Company: VMWare

Approval rating: 90 per cent

Global ranking: 5

Paul Maritz was CEO of VMware Corporation from July 8, 2008 to September 1, 2012. He is succeeded by Pat Gelsinger as CEO.  He moved to EMC as chief strategist, a parent company of VMware, which has 80 percent stakes in the company. Previously he was a senior executive at Microsoft.

He was often said to be the third-ranking executive, behind Bill Gates and Steve Ballmer.