- American Association for the Study of Liver Diseases
(AASLD) A professional association of physicians, researchers, and allied health professionals focused on advancing the science and practice of hepatology. Publishes the journal Hepatology.
- American College of Gastroenterology
(ACG) Founded to advance the scientific study and medical practice of diseases of the gastrointestinal tract by promoting the highest standards in medical education and meeting the individual and collective needs of clinical GI practitioners.
- American Gastroenterological Association
(AGA) Membership organization of physicians, researchers, and educators whose primary practice, research and/or teaching involves the functions and disorders of the digestive system. Work includes education, scientific meetings, and advocacy. Publishes the journal Gastroenterology.
- American Hepato-Pancreato-Biliary Association
(AHPBA) Mission is to promote understanding of the causes and treatment of disorders of the liver, pancreas, and biliary tree through the interchange of clinical and scientific knowledge among surgeons, hepatologists, gastroenterologists, and members of related disciplines.
- American Society of Clinical Oncology
(ASCO) Organization whose goal is to facilitate the delivery of high-quality health care, to foster the exchange and diffusion of information, to further training in clinical research and care, and to encourage optimal communication among the various specialties concerned with cancer.
- Association for Professionals in Infection Control and Epidemiology
(APIC) Membership organization for professionals working to control infectious diseases that offers educational opportunities and publications.
- European Association for the Study of the Liver
(EASL) Based in Geneva, EASL's mission is to promote liver research, foster scientific exchange, and improve the treatment of liver disease throughout the world. Publishes the Journal of Hepatology.
- Infectious Diseases Society of America
(IDSA) Represents physicians, scientists, and other health care professionals who specialize in infectious diseases. IDSA's mission is to promote and recognize excellence in patient care, education, research, public health, and the prevention of infectious diseases.
- International Liver Transplantation Society
(ILTS) Goals include raising the standard of care for patients requiring liver transplantation and promotion of education and research through dissemination and exchange of information within the medical community and to the public.
- Society of Gastroenterology Nurses and Associates
(SGNA) A professional organization dedicated to advancing the science and practice of gastroenterology and endoscopy nursing through education, research, advocacy, and collaboration.