Perlegen has hired Russell Singleton as vice president for engineering and informatics. Previously, he was president of his own company, developing business and marketing strategies for early-stage biotechnology firms and semiconductor equipment companies. He also held several positions at KLA-Tencor. Prior to that, he led instrumentation and software development programs at Molecular Dynamics. Singleton holds a PhD and a master’s degree from the University of Illinois and a bachelor’s degree from the Pratt Institute.