QLogic (QLGC) CEO Simon Biddiscombe has resigned from his position, as well as from the company's board, to "pursue other opportunities." CFO Jean Hu has been named interim CEO while a search commences for a replacement. Biddiscombe became CEO in Nov. 2010, after serving as CFO for two years. QLogic has had a rough time during Biddiscombe's tenure, as both the company and archrival Emulex contended with soft storage adapter card demand and competitive pressures. Shares -2.2% AH.