Brett H. Craig has been named president and chief executive of PixelOptics, effective immediately. He was the president of Transitions Optical from January 2008 through June 2010, having started with that company in 1999. Ronald Blum, who previously held those titles at PixelOptics, is taking instead the resounding role of chief visionary officer, working on designing and developing future products. He will also stay on as chairman of the company's board.