IT leaders ... re-export Gypsy

They are the characters who once stood on the top of their fame when controlling the activities of hundreds of projects and plans at famous IT companies. They also tasted a disastrous failure, forgotten after the " throne ", after the business projects collapsed and then retreated in silence.

And now, when they return, whether they succeed or fail, they are still recognized and appreciated by the remarkable contribution and left important marks in the history of the IT industry.

1. Jerry Yang - Yahoo Group

Yang (left) and David Filo (right).

Yang is not the founder or the first CEO to hold the highest position in his own company. He created 'Jerry'Guide to the World Wide Web', an on-site search engine for information and images with David Filo while both were working as Ph.Ds at Stanford University. 1994. A year later, they founded Yahoo and soon hired Tim Koogle to be the CEO of the company.

Yahoo Group officially launched in 1990. In 2001, Koogle was replaced by Terry Semel. Semel, despite his resurgence of Yahoo after the dot-com crisis, was still heavily criticized for his poor 18-month operating ability, which caused the company's stock prices and profits to plummet.

Yang was nominated to be Yahoo's CEO, replacing Semel in the highest seat on the board. Sue Decker, former chief financial officer and recently advertising director, will serve as president of the corporation.

2. Michael Dell - Dell computer manufacturer

Michael Dell (right) is shaking hands with AMD CEO Hector Ruins

Michael Dell (shaking hands with AMD's CEO, Hector Ruins on the left) has been the CEO of Dell Computer for a long time until he decided to retire to hide and "cast" for Kevin Rollins in 2004.

But at the end of January 2007, after a year of persistent Dell facing a series of crises from stock slippage to a disappointing battery recovery, Rollins was forced to withdraw from the board.

3. Steve Jobs - Apple computer maker

Steve Jobs turned Apple into a giant in digital music.

Steve Jobs turned Apple into a giant in digital music. In 1983, Steve Jobs put John Sculley on the position of CEO of Apple with a famous proclamation ' Would you like to spend the rest of your life selling sugar or want an opportunity to change the world? '.

However, the "flip-flop" Sculley, began to find ways to undermine Jobs's role at his own company. The final move of this conspiracy was to move Jobs into charge of Macintosh development. In 1985, Job left Apple.

Twelve years later, when Apple lost its direction in technology development, Jobs returned and turned Apple into a digital music giant.

4. David Duffield - PeopleSoft software manufacturing company

David Duffield.

David Duffield relinquished his position as managing director at PeopleSoft software manufacturing company in 1999 when the company fell into a stagnant business. After that, the company had a better sign but was in danger of being bought back by rival Oracle and the current CEO Conway was quickly ousted.

Duffield returned to take over the company but failed to fight against Oracle's ambition to acquire. In 2005, PeopleSoft officially belonged to the Oracle database manufacturing company.

5. Larry Ellison - Oracle

Larry Ellison never really gave up the CEO chair at Oracle, but in the early 90s, he ceded control to Rey Lane president. Oracle grew steadily throughout the 1990s. Until 2000, Ellison spoke up to demand power and demanded Lane leave the company.

This Ellison photo was taken at the Oracle OpenWorld conference in San Francisco in 2006. Here, he announced that his software company will provide a free copy of the Red Hat Enterprise Linux operating system at a price. less than half the price offered by Linux.

6. Ted Waitt - Gateway Computer Group

Waitt (middle) taken with Intel CEO, Craig Barrett (left) and Bill Gates at the anniversary of the first launch of Windows XP operating system in 2001.

Ted Waitt has a few differences compared to other chief technology executives when he founded Gateway computer company, building a solid image for the company with an amazing development for 1999. suddenly leave the company.

Two years later, he returned with a plan to launch dealer stores owned by Gateway and shifted to consumer electronics amid the mass of dot-com companies bankrupt.

Plan to break down. Waitt relinquished leadership at the company to Wayne Inouye after acquiring his eMachines in 2004 and leaving the board in 2005.