O’FALLON, Mo.--(BUSINESS WIRE)--Synergetics USA, Inc. (NASDAQ: SURG) announced today that D. Graeme Thomas and Patricia S. Williams have been elected to the Company’s Board of Directors. The Board’s total membership increases to nine with the addition of Mr. Thomas and Ms. Williams. “We are pleased to welcome Graeme Thomas and Patricia Williams to Synergetics’ Board of Directors,” stated Dave Hable, President and CEO of Synergetics USA, Inc. “Graeme Thomas has served as a CEO of a medical device company and Patricia Williams has significant corporate experience in senior roles. We look forward to their counsel as new members of Synergetics’ Board of Directors.”