NEW YORK, March 19, 2019 /PRNewswire/ — Centinel Spine®, LLC, the largest privately-held spine company focused on anterior column reconstruction, today announced the appointment of Dirk M. Kuyper and Gregory Rainey as members of the Company’s Board of Directors. “I am thrilled to welcome both Dirk and Gregory to the Centinel board,” says Centinel Spine Chairman & CEO, John Viscogliosi.  “Both individuals bring …