Clearwire promoted Erik Prusch to President and CEO, and named John Stanton as the company's new Executive Chairman. Prusch previously served as the company's Chief Operating Officer, having joined the company in 2009 as its CFO. He was promoted to COO in March. Stanton previously held the position of Chairman and interim CEO, and will be replaced by Prusch. Prior to his work with Clearwire, Prusch was president and CEO of Borland Software.