14^th Annual Congress on Gastroenterology & Hepatology August 6-7, 2018 Hyatt Regency Osaka, Japan

David H, Van Thiel is a professor of medicine, a former president of the American Association for the study of liver disease and is widely recognized as one of the founding fathers if not, the father of medical liver transplantation worldwide. He attended Pomona College in Clairemont, California, and then entered Medical School at the University of California at Los Angeles graduating with honors in 1967. He has served as the chief of gastroenterology/hepatology at the University of Pittsburgh, Dir. of hepatology at Loyola University Chicago, and Rush University, Chicago. He is currently in private practice of gastroenterology and hepatology with an emphasis on hepatology, which accounts for 80-85% of his practice.

Dr. David H Van Thiel, MD has expertise in 17 areas. This includes Cryoglobulinemia, Liver Diseases, Alcoholic Liver Cirrhosis plus others. Dr. David Van Thiel practices Internal Medicine, Hepatology, Gastroenterology near Chicago, IL.

Alireza Heidari, Ph.D., D.Sc. is a Postdoctoral Research Fellow in Chemistry. He has got his Ph.D. and D.Sc. degrees form California South University (CSU), Irvine, California, USA. Furthermore, he has double postdocs in Project Management and also in Nanochemistry and Molecular Structure Theory. He has participated at more than one hundred reputed international conferences, seminars, congresses, symposiums and forums around the world as yet. Also, he possesses many published articles in Science Citation Index (SCI)/International Scientific Indexing (ISI) Journals.he is a member of more than two hundreds reputed international academic–scientific–research institutes around the world. It should be noted that he is currently the President of American International Standards Institute (AISI), Irvine, California, USA.

 Biophysical Chemistry  Biomolecular Spectroscopy  Quantum Chemistry  Nanochemistry  Theoretical Chemistry  Mathematical Chemistry  Computational Chemistry  Vibrational Spectroscopy  Molecular Modelling  Ab initio & Density Functional Methods  Molecular Structure

Vikas Leelavati Balasaheb Jadhav has completed Post-graduation in Radiology in 1994 after his MBBS. He has 19 years of experience in the field of gastro-intestinal tract ultrasound & diagnostic as well therapeutic interventional sonography. He has four Indian Patents & an International Patent published on his name in the field of Gastro-Intestinal Tract Sonography & the Radiology, since 2008. He has delivered many guest lectures’ in Indian as well international conferences in nearly 20 countries as an invited guest faculty, since 2000. He is an unconventional specialist in gastro-intestinal tract ultrasound & diagnostic as well therapeutic interventional sonography in Satara, India.

Gastroenterology, Endoscopy, gastrointestinal motility, radiofrequency ablation, small bowel endoscopy.

Dr Ahmed is a consultant gastroenterologist who joined the Trust in September 2014. Dr Ahmed has a specialist interest in the care of patients with inflammatory bowel disease (IBD) and, during his specialist training, he gained experience of working in a variety of hospitals and settings. He has a thorough understanding of the different aspects of IBD service demands, service delivery and patient expectation. He is a lead consultant for transition services in IBD.

Dr Ahmed's research interests include investigating the changes in the smell of faeces and breath in order to understand the pathophysiological mechanisms of IBD and to develop a non-invasive diagnostic biomarker. Through formal laboratory research, Dr Ahmed studied the metabolomic profiles of patients with IBD and irritable bowel syndrome (IBS) in comparison with healthy individuals. He presented his work at both national and international forums and published several papers on his research. Additionally, he has an active interest in strengthening national networks and promoting international alliances in research and teaching.

Degree in Medicine and Surgery and Specialties in "Gastroenterology" and "Internal Medicine" at the University of Rome. 1980-1983 University of Los Angeles (USA), he is interested endoscopic sclerosis of oesophageal varices and retrograde cholangiopancreatography-endoscopically. University Professor - Chair of Gastroenterology - University of Rome. Head of the Digestive Endoscopy Service of the University Hospital Umberto I in Rome. Professor of "Endoscopy" and "Digestive System Diseases" at the Faculty of Medicine, University of Rome - "La Sapienza." Lecturer in E.C.M. Courses (Continuing Medical Education), national and international. Expert of the Ministry of Health for Gastroenterology.

Gastroesophageal Reflux Disease, Gastrointestinal Endoscopy