1. Winjie Miao was named COO of Arlington-based Texas Health Resources.
2. Tim Parry, Highland District Hospital vice president of operations and COO, will become president and CEO of the Hillsboro, Ohio-based hospital on April 15.
3. Tom Scott, CentraState Healthcare System senior vice president and COO, will become president and CEO of the Freehold, N.J.-based organization on April 9.
