• 2007 – present Member, Faculty Development Subcommittee, Academic Council, Georgia Health Sciences University/Medical College of Georgia
• 2006 – 2008-Chair, Faculty Development Subcommittee, Academic Council, Georgia Health Sciences University/Medical College of Georgia.
• 2007-Present-Member- Training Committee,American College of Gastroenterology
• 1996 – Present-Fellow, American College of Gastroenterology
• 1993 – Present Fellow, American College of Physicians
• 1996 – Present Fellow, American Gastroenterological Association

• Secretary of the Clerkship committee.UCL in Brussels - Faculty of Medicine.
• Board member Belgian Society of Transplantation (BST).
• President Organ Procurement Committee EUROTRANSPLANT INTERNATIONAL (ETI).
• Board member ETI Liver Advisory Committee (ELAC).
• Member National Belgian Transplant Council .
• Vice-President EUROPEAN SOCIETY OF ORGAN TRANSPLANTATION (ESOT).
• President Educational Committee ESOT.
• President European Society for Organ transplantation (ESOT).
• Scientific committee member European Transplant Procurement management (Barcelona)
• Chairman ESOT Ambassador Committee
• President Eurotransplant Liver Intestinal Advisory Committee (ELIAC)
• Expert member European Liver Transplant registry (ELTR)
• Expert member Centro Nationale Trapianto Italy
• Board member BST
• Member of the Belgian Transplant Council

• 1994-1997 Member of the Directive Council of S.I.C.O. (Italian Society of Surgical Oncology)
• 1994-1999 Regional Coordiator of the A.C.O.I. .
• 1999-2002 Member of the Executive Board A.C.O.I.
• 2003-2008 Member of the Executive Board of the I.H.P.B.A.
(International Hepato-Pancreato-Biliary Association) Italian Chapter.
• 2006– Member of the European Surgical Association
• 2005– Member of the Scientific Board of the European Register of Colorectal Liver Metastases (LiverMetSurvey)
• 2006-2008 President of the Società Piemontese di Chirurgia
• 2006– Honorary Member of the Association Française de Chirurgie
• 2008-2010 Vice-president of the I.H.P.B.A. (International Hepato-Pancreato-Biliary Association) Italian Chapter.
• 2010– President of the I.H.P.B.A. (International Hepato-Pancreato-Biliary Association) Italian Chapter.
• 1983-1998 member of the ’Association Recherche en Chirurgie (ARC)
• Member of the Società italiana di Chirurgia (SIC)
• Member of the International Association of Surgeons and Gastroenterologists (IASG)
• Member of the International Hepato-Pancreato-Biliary Association (IHPBA)
Member of the Associazione Chirurghi Ospedalieri Italiani (ACOI)
 

• International Association of University Colorectal Surgeons
• Association of Academic Surgeons
• American College of Surgeons
• American Hepato Pancreato Biliary Association
• International Hepato Pancreato Biliary Association
• Indian Association of Gastro Endoscopic Surgeon
• The Association of Surgical Education
• Royal College of Surgeons of Edinburgh
• The American Society of Clinical Oncology
• American Physiological Society
• Nw York Academy of Science
• Radiological Society of North America.
• Australian Medical Writer Association
 

• 2006-2008-Radiology Residency Education Council,Beth Israel Deaconess Medical Center, Boston, MA
• 2007-Graduate Medical Education Committee -Internal Review Committee for the Dermatopathology Fellowship Program Beth Israel Deaconess Medical Center, Boston, MA
• 2007-2008-Radiology Residency Program Selection Committee,Beth Israel Deaconess Medical Center, Boston, MA
• 2010-Radiology Residency Selection Committee,Department of Radiology,Beth Israel Deaconess Medical Center
• 2011-Hospital Interventional Procedures Committee,Beth Israel Deaconess Medical Center National
• 2010-Society of Interventional Radiology Foundation – Research Policy Division,Society of Interventional Radiology
 
• Professional Societies
• 2003-2009-Radiological Society of North America (RSNA),Member-in-Training
• 2007-Radiographics/RSNA Poster-Review Panel Member
• 2004-American College of Radiology-Resident Member
• 2004-2008-Massachusetts Radiological-Society-Resident Member
• 2007-2009-Society of Interventional Radiology-Member-in-Training
• 2009-Society of Interventional Radiology-Full member
• 2009-Radiological Society of North America (RSNA)-Full member
• 2009-New England Society of Interventional Radiology-Full member
 

Society Membership
• AACR since 1996
• European Society for Cancer Immunology and Immunotherapy since 2006
• Italian Pathology Society since 2006

• Austrian Society for Surgery
• Austrian Society for Transplantation, Transfusion und Genetics
• European Society of Organ Transplantation (ESOT)
• European Liver Transplant Association (ELTA)

SOCIETES
•Member of the Scientific Board of Italian Cancer Society (S.I.C.)
•Member of American Association for Cancer Research (AACR)
•Member of Gruppo Oncologico dell’Italia Meridionale (GOIM)