PALM BEACH GARDENS, Fla.--(BUSINESS WIRE)--Aurora Diagnostics announced today that Bruce Walton, the company's Executive Vice President and Chief Operating Officer (COO) since January 2015, has been promoted to President and COO. Mr. Walton has held leadership positions of increasing responsibility with Aurora since he joined the Company in 2009. In addition to his role in heading operations that support the company's 32 pathology practices, he has been the leader of the business development fu