Jan 08, 2010. /Lesprom Network/. Plum Creek Timber Company, Inc. announced that Bob Jirsa has been named vice president, government relations; he will continue to oversee the company’s government relations program. John Hobbs has been named vice president, investor relations and will continue to lead the company’s investor relations function. Dan Tucker has been named vice president, tax and will continue to lead the company’s tax department. "These appointments recognize the significant contributions Bob, John and Dan have made to creating long-term value for Plum Creek,” said Rick Holley, President and CEO. “In their respective roles, each has continually demonstrated the highest level of professionalism and responsibility, and our constituencies recognize their performance. They have served the company well for many years and these appointments recognize their commitment and dedication.” Plum Creek is the largest and most geographically diverse private landowner in the nation with approximately 7 million acres of timberlands in major timber producing regions of the United States and wood products manufacturing facilities in the Northwest.