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Join IFSO

IFSO is a Federation of National Metabolic Bariatric Surgery Societies.
To join IFSO you have to join first the National Society of the country you live in.

By doing this you will become automatically an IFSO Member.

If you live in a country where there is no National Society, you can join IFSO individually.

IFSO MEMBERSHIP FEES FOR 2026

IFSO Regular Member: 150 USD

This fee includes complimentary subscription to the official journal of the Federation Obesity Surgery (12 print issues + online version).

IFSO Regular Member: 80 USD

This fee includes complimentary subscription to the official journal of the Federation Obesity Surgery (only online version).

IFSO Integrated Health Members: 20 USD

This fee includes complimentary subscription to the official journal of the Federation Obesity Surgery (only online version).

Trainees / Residents: 15 USD

This fee includes complimentary subscription to the official journal of the Federation Obesity Surgery (only online version).

I.H. Members receive an I.H. Membership Certificate and a I.H. badge at IFSO Congresses. I.H. Member are not entitled to submit an abstract to be presented in the surgical sessions of the Congress. They can submit abstracts to be presented in the I.H. sessions.

You can apply as Individual Member only if you live in a country where there is no National Society of Bariatric Surgery. Otherwise, you can become IFSO Member through your National Society.

It is not possible to subscribe to SOARD through us.

If you want to subscribe to SOARD please contact ASMBS or visit asmbs.org/ifso-soard

Membership Benefits include:

  • Free Online subscription to the following Springer Journals:
    • Obesity Surgery
    • Surgical Endoscopy
    • World Journal of Surgery
    • BMC Nutrition
    • Journal of Diabetes and Metabolic Disorders
    • Eating and Weight Disorders
  • IFSO Global Registry – free data submission and publication on annual report
  • Free access to IFSO Virtual Academy:
    • Recording Sessions from IFSO Congresses
    • Podcasts
    • Monthly Webinars (recorded and archived)
    • Archived Journal Clubs
    • IFSO Masters of MBS
  • Access to the Educational Tools:
    • IFSO Online Course on the Fundamentals of Metabolic Bariatric Surgery
    • 5-Minute Continuing Professional Development (CPD)
  • Eligibility to get IFSO's endorsement for your event
  • Eligibility to win every year one of the several IFSO Scholarships for Surgeons and I.H. Members to attend IFSO World Congress (2,500 USD$ each)
  • Eligibility to win the IFSO Observership Program and IFSO IH Observership Program in one of the best and most renown hospitals in the different IFSO Chapters
  • Special discounted fee for editing services for your articles and abstracts
  • Quarterly online E-Newsletters
  • Eligibility to join YOUNG IFSO Group (up to 45 years)
  • Membership in the biggest professional global Community in the field of Obesity and Metabolic Surgery
  • Become an IFSO Fellow / IFSO Integrated Health Fellow of IFSO
  • ATLAS of MBS Procedures
  • IFSO Masters of MBS Academy
  • Access to IFSO Cookbooks – International Healthy Recipes
  • Women for IFSO WhatsApp Group
  • IFSO Certification in Metabolic Bariatric Surgery

For details on how your National Obesity Surgery Society can become a member of IFSO, please contact

IFSO Secretariat
Manuela Mazzarella 
Rione Sirignano, 5
80121 Napoli - ITALY
Ph. 0039 081 7611085
Fax. 0039 081 664372
[javascript protected email address]