1. Brian Dunn: CEO of Best Buy

Brian Dunn was dismissed on April this year when there were doubts about his bad private life.

Besides, Dunn also showed his weak managing ability which was expressed through decreasing sales, market share and stock price ... Moreover, his strategy of stock acquisition made Best Buy waste 6.4 billion US dollars without any good results.

2. Aubrey McClendon: CEO of Chesapeake Energy

Aubrey McClendon is one of the worst CEOs of this year because he refused to separate public affair with private business. Reuters said McClendon used his share in the company to borrow an amount of money up to $ 1.1 billion in nearly three years and completely hid this thing.

Besides, he also runned a hedge fund $ 200 million oil and gas, a job is considered "conflict of interest" with the company he was running.

In addition, McClendon had "impartial" using the company's own aircraft and mobilize employees in the company for personal purposes.

3. Andrea Jung: CEO of cosmetic company Avon

Avon CEO Andrea Jung resigned in April of this year, but still maintain the position of Chairman of the cosmetic company based in New York.

During the Avon, Ms. Jung was not able to solve problems in business and can not find a successor character. However, she has been criticized most reject the proposal to buy the company for $ 10.7 billion from Coty opponent. If Jung accepted the proposal, Avon was probably better.

Since 2004, under the helm of Jung, the market capitalization value of Avon "vaporize" $ 21 billion to $ 6 billion. Avon also had to spend $ 300 million in legal fees related to the investigation of acts of bribery of foreign officials. Avon recently announced plans to cut 1,500 employees and withdraw completely from the two markets in Vietnam and Korea.

4. Mark Pincus: CEO of Zynga

Zynga is a company specialized in the production of games for social networks like Facebook. This year, the stock price shares of Zynga fell 75% and talent turn away. CEO Pincus have a very fine degree, with a BA in Economics Wharton University and an MBA from Harvard University. However, this year, Pincus has faced big mistake, which involves put excessive Zynga sticking with Facebook, making a majority of Zynga's revenue depends on this network. Recently, Facebook and Zynga has terminated the contract binding the two parties.

Also, another big mistake of Pincus has shown a loss of confidence in the prospects of the company sold 16 million shares after the time limit ends.

5. Rodrigo Rato: CEO of Spanish bank Bankia

Mr. Rodrigo Rato dismiss the Director of the bank Bankia, one of Spain's largest bank, in July this year. Rato is a former Finance Minister of Spain, and a former Executive Director of the International Monetary Fund (IMF).

However, he is being investigated for fraud, price manipulation and embezzlement of assets related to the collapse of the bank Bankia, forced the Spanish government to rescue the bank. 2011, Bankia profit 309 million, but after Rato resignation, the bank immediately reported losses of 3 billion euros.