Santa Clara, Calif.-based LedEngin Inc. announced yesterday that David Tahmassebi is the company's new president and CEO. Tahmassebi succeeds Harry Davoody, who left to pursue other interests. Tahmassebi joined LedEngin from WK Technology Funds, where he had been executive-in-residence since January. Prior to that, Tahmassebi was president and CEO of Berkana Wireless until the company was sold to Qualcomm in December 2005. He was co-founder, president and CEO of fabless semiconductor company Resonext Communication prior to its sale to RF Micro Devices in December 2002. LedEngin develops ultrasmall, ultrahigh bright LED components and light source modules for general lighting, display, automotive, and medical/dental applications.