• Specialist in Gastroenterology,1988
• Graduation in medicine, Aristotelian University of Thessaloniki / Military Medical School (Honours),1977

• Διδάκτωρ Ιατρικής (MD), Πανεπιστήμιο Αθηνών
• Διδακτορικό Δίπλωμα (PhD), Ιατρική Σχολή των Νοσοκομείων Guy’s, St. Thomas’ και King’s College του Πανεπιστημίου του Λονδίνου, Ηνωμένο Βασίλειο
• Ε.Καθηγητής Παθολογίας και Γαστρεντερολογίας, Ιατρική Σχολή, Πανεπιστήμιο Θεσσαλίας, Λάρισα,.

Academic titles:

• Doctor of Medicine (MD), University of Athens Medical School (Honours).
• Doctor of Philosophy (PhD), United Medical Schools of Guy's, St. Thomas’ and King’s College Hospitals, University of London, United Kingdom. (Honours).
• As. Professor of Internal Medicine and Gastroenterology, Medical School, University of Thessaly, Larisa, Greece.
• As. Professor of Gastroenterology, Medical School, European University of Cyprus.

Member of scientific societies:

• New York Academy of Sciences
• British Society of Gastroenterology (BSG)
• Fellow of American Gastroenterological Association (AGA)
• Fellow of American College of Gastroenterology (ACG)
• Fellow of European Board of Gastroenterology and Hepatology (EBGH)
• Member and president (2002, 2015) of European Helicobacter pylori and microbiota study group (EHSMG)
• American Society of Gastrointestinal Endoscopy
• European Inflammatory Bowel Disease society (ECCO)
• Hellenic Society of Gastroenterology (president 2008)
• Founding member of Hellenic Society for study of Helicobacter pylori infection (EEMEP, president 2002).
• Hellenic society of Hepatology
• Hellenic society of Inflammatory Bowel Disease (EOMIFNE)

Selected Honours and Awards:

• 1985 European Society of Clinical Investigation, Research Award.
• 1986 European Society of Gastroenterology and Endoscopy, Research award. 
• 1987 British Society of Gastroenterology (BSG), Research Award.
• 1988 British Society of Gastroenterology (BSG), Research Award. 
• 1990 Annual Congress of the Hellenic Armed Forces Medical Corp. Research Award. 
• 1992 1st United European Gastroenterology Week. Prize for Best Research Presentation.
• 1993 American Gastroenterological Association (AGA), Research Award. 
• 1994 Hellenic Society of Gastroenterology. Prize for Best Researcher of the Year.
• 1996 Hellenic Society for study of Helicobacter pylori, Prize for best research paper.
• 1998 Hellenic Society of Gastroenterology, Research Award.
• 1999 Hellenic Society for study of Helicobacter pylori, Research Award.
• 2000 American Gastroenterological Association (AGA), Research Award.
• 2002 United European Gastroenterology, Research Award. 
• 2003 “Man of the Year” by the American Biographical Institute as recognition based “on his outstanding accomplishments and the noble example he has set for his peers and entire community”. 
• 2004 Hellenic Society for study of Helicobacter pylori, Research Award.
• 2007 “Man of Science” by the American Biographical Institute as recognition of Outstanding Scientific Contribution to Medical Research.
• 2008 United European Gastroenterology, Research Award.

Editorial Activities and Publications:

• 1992-1999 Editor, Hellenic Armed Forces Medical Review.
• 1992-2002 Associate Editor, Hellenic journal of Gastroenterology.
• Two books (1993 and 1998) on the clinical significance and current molecular and clinical aspects of H. pylori infection.
• 150 full publications in peer review international journals, 200 abstracts in congresses and 100 publications in Greek journals.
• Quality assessment of publications (ResearchGate) 
  • Publication downloads 3.214 
  • Publication views 7.529 
  • Citations 4.961 
• Reviewer of manuscripts for various peer review journals ( Gut, American Journal of Gastroenterology, Gastroenterology, Digestive Disease and Sciences, Annals of Gastroenterology, Gastrointestinal Endoscopy, Helicobacter, Italian Journal of Gastroenterology, Clinical and Research Gastroenterology, European Journal of Clinical Investigation, etc).

List of selected recent publications in peer review international journals:

• Rokkas T, Gisbert J, Niv Y, O’Morain C. The association between Helicobacter pylori infection and inflammatory bowel disease based on meta-analysis. United European Gastroenterology Journal 2015; 3: 539-550.
• Rokkas T, et al. The role of circulating microRNAs as novel biomarkers in diagnosing Colorectal Cancer. A Meta-analysis. Eur J Gastroenterol Hepatol 2015; 27: 819-825.
• Venerito M, Nardone G, Selgrad M, Rokkas T, Malfertheiner P.Gastric cancer-epidemiologic and clinical aspects. Helicobacter 2014; 19 Suppl 1:32-7.
• Rokkas T, et al. Population differences concerning TNF-α gene polymorphisms in gastric carcinogenesis based on meta-analysis. Ann Gastroenterol. 2014; 27(2):139-148.
• Rokkas T, et al. The relationship of Helicobacter pylori infection and colon neoplasia, on the basis of meta-analysis. Eur J Gastroenterol Hepatol 2013; 25(11):1286-94. 
• Gazi S, Karameris A, Christoforou M, Agnantis N, Rokkas T, Stefanou D.Real-Time PCR detection and quantitation of Helicobacter pylori clarithromycin-resistant strains in archival material and correlation with Sydney classification. Ann Gastroenterol 2013; 26(3):226-232.
• Selgrad M, Bornschein J, Rokkas T, Malfertheiner P.Helicobacter pylori: gastric cancer and extragastric intestinal malignancies. Helicobacter 2012; 17 Suppl 1:30-5. 
• Malfertheiner P, Megraud F, O'Morain CA, Atherton J, Axon AT, Bazzoli F, , Gisbert JP, Graham DY, Rokkas T, El-Omar EM, Kuipers EJ; European Helicobacter Study Group.Management of Helicobacter pylori infection--the Maastricht IV/ Florence Consensus Report. Gut. 2012 May; 61(5):646-64. 
• Rokkas T, Niv Y.The role of video capsule endoscopy in the diagnosis of celiac disease: a meta-analysis.Eur J Gastroenterol Hepatol. 2012; 24(3):303-8. 
• Rokkas T.The role of Helicobacter pylori infection in functional dyspepsia.Ann Gastroenterol. 2012; 25(2):176-177. 
• Bornschein J, Rokkas T, Selgrad M, Malfertheiner P.Gastric cancer: clinical aspects, epidemiology and molecular background. Helicobacter 2011; 16 Suppl 1:45-52. 
• Rokkas T, et al. Helicobacter pylori infection and gastric histology in first-degree relatives of gastric cancer patients: a meta-analysis.Eur J Gastroenterol Hepatol 2010; 22(9):1128-33. 
• Rokkas T, et al. A meta-analysis evaluating the accuracy of colon capsule endoscopy in detecting colon polyps.Gastrointest Endosc 2010; 71(4):792-8.