Peter V. Leigh was named vice president of finance and CFO at OmniVision Technologies Inc., a Sunnyvale, Calif., supplier of CMOS image sensors for high-volume imaging applications. He succeeds John T. Rossi, who has resigned. Leigh was formerly CFO of Metron Technology, a provider of materials and services to the semiconductor industry, and previously was CFO at Liposome Technology and controller at Bio-Rad Laboratories.