source..... http://www.cpbj.com/article/20171002/CPBJ01/171009978/dentsply-sirona-chairman-ceo-and-coo-resign Former Dentsply Sirona CEO Jeffrey T. Slovin, left, is seen with Executive Chairman Bret Wise. Slovin and Wise have resigned amid a leadership shakeup at the York-based manufacturer Dentsply Sirona: Chairman, CEO and COO resignStock price falls amid leadership transition By Dentsply Sirona added only that the moves were "intended to better position the company to achieve its potential," and that they "were not related to any issues or disagreements regarding the company's financial disclosures, accounting policies and practices." The company was created in 2016 by a merger of York-based Dentsply International and New York-based Sirona Dental Systems Inc., forming a $13.3 billion firm reputed to be the world's largest dental manufacturer of its type. Dentsply Sirona stock (NASDAQ: XRAY), which had closed at $59.81 on Friday, dropped sharply Monday morning, bottoming out at $56.13 before rebounding slightly. Its price stood at $56.53 at mid-afternoon on Monday. The company's board also: • Approved an amendment to corporate by-laws eliminating some provisions adopted as part of the merger, including supermajority voting requirements for corporate governance and executive leadership changes. • Removed the position of lead independent director. • Reduced the board from 11 to nine directors. The board also has initiated a search process to identify a permanent CEO and COO. Interim CEO Thierer previously served as chairman of the board and CEO of Catamaran, which was one of the nation’s largest pharmacy benefit management companies until it merged with OptumRx in 2015. Size served as senior vice president of Dentsply Sirona Inc. from January 2007 through June 2017, while Brandt has served as a director since 2004.