Dr Theodoros B. GRIVAS, MD, PhD - Orthopaedic and spinal surgeon. - Medical School at “Aristotle” University of Thessaloniki, Central Macedonia, Greece. - “University Hospital”, Queen’s Medical Centre, at Nottingham, “Harlow Wood”. Orthopaedic Hospital, at Mansfield, UK, under Mr. JK Webb and Professor RG Burwell at “Evangelismos” and “Thriasio” Hospital in Athens, Greece. - Member of the Hellenic Association of Orthopaedic Surgery and Traumatology and numerous other scientific societies. - Member and Traveling Fellow of AAOS, AOA, and SRS. - Wrote or was the editor of nine books and numerous (630) scientific (128 Medline indexed, see http://www.ncbi.nlm.nih.gov/pubmed/?term=grivas+t ) publications and presentations. - Scientific responsible/principal investigator or collaborator of 20 research projects financed by Greek national or European sources (see also at https://www.researchgate.net/profile/Theodoros_Grivas/contributions). - He served as the Chief Editor of BMC open access “Scoliosis and Spinal Deformities”, a former “Scoliosis” journal, and is a member of the editorial board or reader for several peer-reviewed journals. -Former Director of the Orthopaedic and Traumatology Department at “Tzaneio” General Hospital of Piraeus, Greece.