CARLSBAD, Calif., Aug. 15, 2019 (GLOBE NEWSWIRE) — Alphatec Holdings, Inc. (“ATEC” or the “Company”) (Nasdaq: ATEC), a medical device company dedicated to revolutionizing the approach to spine surgery, announced today the appointment of Eric Dasso as Executive Vice President, Adjunctive Technologies.  The Company also announced the appointment of Wyatt Stanfield as Area Vice President, …