International Federation for the Surgery and Other Therapies for Obesity (IFSO) logo International Federation for the Surgery and Other Therapies for Obesity (IFSO)
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The International Federation for the Surgery and Other Therapies for Obesity (IFSO) is a Federation composed of national associations of bariatric surgeons and Integrated Health professionals. Currently, there are 78 official member societies of IFSO. There are also individual members from countries that thus far have not formed a national association.

IFSO is a scientific organization that brings together surgeons and integrated health professionals, such as nurse, practitioners, dieticians, nutritionists, psychologists, internists and anesthesiologists, involved in the treatment of patients affected by severe obesity.
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IFSO MENAC Congress 2026
4th IFSO Middle East and North Africa Chapter (MENAC) Congress
12/3/2026 - 12/5/2026
IFSO-EC / EASO Congress 2027
15th Congress of the International Federation for the Surgery of Obesity (IFSO) European Chapter
5/18/2027 - 5/21/2027
IFSO Paris 2027
30th World Congress of International Federation for the Surgery of Obesity and Metabolic Disorders
8/24/2027 - 8/27/2027
IFSO EC 2028
16th Congress of the International Federation for the Surgery of Obesity (IFSO) European Chapter
Dates: TBD
IFSO Seoul 2028
31st World Congress of International Federation for the Surgery of Obesity and Metabolic Disorders
9/4/2028 - 9/7/2028



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