sentences:  On January 1, 2006, he became chairman of the company's board of directors.Under Perez, who joined Kodak from Hewlett-Packard in 2003 and became chief executive in 2005, the company has tried to reinvent itself by focusing on printers, packaging and work force software, however, under Pérez's leadership the price of Kodak shares has decreased from around 25 dollars (in 2005) to less than 1 dollar by September 30, 2011 and the number of Kodak employees has been reduced to about 7000 in the Rochester, NY area where Kodak is headquartered.Pérez was named one of the worst CEOs of 2011 by several online financial news source and online publications including CNBC and the Motley Fool.