Universal Fibers Names Jonathan Craig CEO

Bristol, VA, May 12, 2025-Universal Fiber Systems (UFS), a global provider of synthetic fiber production and technologies, has appointed Jonathan Craig as chief executive officer.

Craig brings more than fifteen years of executive leadership experience in the polymers industry.

Craig succeeds Marc Ammen, who is retiring after over fifteen years as CEO and twenty-five years with Universal Fiber Systems. Under Ammen’s leadership, UFS achieved significant growth, establishing global manufacturing sites and completing key acquisitions, including Sapona Yarns and Fiber Innovation Technologies. Ammen will continue to serve as executive chair of the board of directors.

Craig joins Universal Fiber Systems from Ascend Performance Materials, where he most recently served as vice president of polymers and fibers. Earlier in his career, Craig also held leadership positions at Bigler LP and Biogen Idec.

His appointment comes at a pivotal time for UFS, as the company expands its global footprint and now serves twenty-seven end markets through targeted investments and strategic acquisitions.