BELGRADE, MT, Aug. 20, 2018 (GLOBE NEWSWIRE) — Xtant Medical Holdings, Inc. (NYSE American: XTNT), a leader in the development and commercialization of regenerative medicine products and medical devices, today announced the appointment of Kathie Lenzen as chief financial officer, effective August 20, 2018. Ms. Lenzen will report to Carl O’Connell, Xtant’s chief executive officer. “Ms. […]