Response Genetics Loses COO

Los Angeles-based Response Genetics, a developer of molecular diagnostics tests for cancer, said Tuesday that it has lost its Chief Operating Officer, Michael B. McNulty. The reason for McNulty's departure was not announced. The firm said that, in the meantime, Christine Meda--a consultant for the firm--will continue to oversee the firm's existing activities. Meda was formerly at Roche Diagnostics.