Chef Bryan Sullivan has been hired as the new executive chef overseeing restaurants for the Pier 5 Hotel and Brookshire Suites. ... Kyro Pizza has opened in Mount Vernon. It features a wood-burning oven and serves pizza, pasta, salads and Middle Eastern dishes.  (900 Cathedral St., 410-962-8859) ... The South Baltimore spot that was home to the late, lamented Soigne (and the less-than-stellar Sly Fox Pub after that) is about to become active again. The owners of Bicycle are in the process of taking over the space with the intention of opening Ullswater, which will feature Italian and New American dishes. ... >>In Locust Point, Nasu Blanca has closed its doors.