DEERFIELD, Ill., March 08, 2019 (GLOBE NEWSWIRE) — RTI Surgical Holdings, Inc. (Nasdaq: RTIX), a global surgical implant company, today announced the appointment of Jeffrey C. Lightcap to its Board of Directors, effective immediately. Mr. Lightcap has significant experience in helping drive growth in medical technology companies. He is currently a Senior Managing Director at HealthCor Partners Management, L.P., a growth equity investor focused …