BELGRADE, MT, Oct. 15, 2018 (GLOBE NEWSWIRE) — Xtant Medical Holdings, Inc. (NYSE American: XTNT), a global medical technology company focused on surgical solutions for the treatment of spinal disorders, announced today the appointment of Michael Mainelli to serve as Interim Chief Executive Officer, replacing Carl O’Connell effective October 12, 2018. Mr. Mainelli joined the […]