W R Systems, Ltd. (WRSystems) has announced the appointment of Dave Edwards as President and Chief Operating Officer (COO). Edwards joined the Virginia-based company in 1996; he replaces Founder Raymond Yu, who retired in November 2011. Edwards was the chief architect of the company’s Engineering Services Division (ESD), which now employs more than 200 employees in the Norfolk location. Collectively, WRSystems has become a major supplier to the US Federal Government, and supports the US Navy and other departments with high-tech marine electronics…