Dr Joy Varghese is also an esteemed member of various organizations such as
- Association of Physician of India
- Indian Society of Gastroenterology
- Indian National Association Study of Liver Disease
- International Club of Ascites
- European Association of Study of Liver Disease
- Liver Transplantation Society of India
- International Liver Transplantation Society
Posts held at various societies:
- Governing council member in Tamilnadu ISG
- Treasurer in Tamilnadu ISG
- Joint secretary in Liver Transplant Society of India (LTSI)