Jon Rubinstein, who joined Palm as Executive Chairman in October 2007, is taking over the roles of Chairman and Chief Executive from tomorrow, 12th June. Current chairman/CEO Ed Colligan is stepping down after a total of sixteen years of leadership at the company, although he’ll be joining Elevation Partners, one of Palm’s major investors. Mr Rubinstein was previously responsible for running Apple’s hardware division for 9 years before leaving in 2006. [Press release]