International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)

IFSO is a federation composed of national associations of bariatric surgeons. Currently, there are over 72 official member associations of IFSO.

ASMBS Members are already IFSO members, and receive these benefits:

  • Discounted subscription rate to the official journal of IFSO: Obesity Surgery for $150 Print (12 issues a year) and FREE for Online access (contact to receive your access code).
  • Discounted registration fees to IFSO Congresses and endorsed meetings
  • Periodic emails about IFSO’s activities
  • IFSO’s E-Newsletter
  • Certificate of Membership
  • Lists of activities of the national societies on the IFSO website
  • Eligibility for IFSO endorsement for meetings/workshops/courses
  • Membership in a professional international global network
  • Listing in the IFSO online registry
  • Access to Facebook and Linkedin IFSO Groups
  • Eligibility for annual IFSO Scholarships

Discounted Obesity Surgery Subscriptions

ASMBS Members can get a full year of the digital version of Obesity Surgery for free. (with ASMBS membership dues) The official journal of IFSO. Learn more at

IFSO Events