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Members of The Obesity Society are part of the largest scientific society dedicated to obesity in the world.

The Obesity Society (TOS) is comprised of approximately 2,800 members worldwide who, like you, are dedicated to the study, prevention and treatment of obesity. These professionals include:

  • Basic and clinical researchers
  • Clinicians and care providers
  • Educators
  • Post-graduate trainees
  • Students

View Membership Categories.

Access your TOS membership or join us today!

The Benefits of Membership

When you join TOS, you receive extensive benefits. As a member, you can:

  • Connect directly with leaders throughout the obesity field.
    • You can learn from mentors in your subspecialty and provide guidance and leadership to others.
    • Attend exclusive monthly Grand Rounds or Coffee with Professors webinars – free with membership.
  • Access a wealth of networking opportunities.
    • Receive access to the Members Directory where members are automatically opted in upon joining.
    • You will also have access to our Careers page where members can post job announcements.
  • Obesity Care Providers receive a free listing in our Providers Directory.
  • Become eligible for awards and grants.
  • Benefit from TOS advocacy.
    • We actively support funding for research, prevention and treatment of obesity.
    • We are also working to improve reimbursement for patient treatment.
    • Receive support as an early career investigator.
    • TOS early career efforts include unique mentoring opportunities.
  • Automatically receive membership in the World Obesity Federation.
    • The World Obesity Federation is a global community comprised of more than 50 regional and national obesity associations, all dedicated to solving the problems of obesity.
  • Customize your membership.
    • Find members with similar professional interests in our Sections.
    • Make global connections based on your chosen interests.
    • Members can opt for full online access to Obesity, the flagship scientific journal of The Obesity Society.
    • You will enjoy discounted educational programs, such as the American Board of Obesity Medicine’s preparation course and practice exam.
    • Get discounts on registration fees for ObesityWeek® and on page charges for members who publish their research in Obesity.

Looking for more information? Connect with the Membership Team.

Membership Categories

Membership in The Obesity Society includes these notable opportunities: electing TOS officers and committee members; serving as a TOS officer; offering expertise to a range of TOS committees; and voting for amendments to the Articles of Incorporation and Bylaws. Memberships are available in four categories:

Membership Dues

Membership Dues (includes online access to Obesity)

Regular Member* $240.00
Post-Graduate Trainee Member* $80.00
Emeritus FREE

Student Membership Dues

Undergraduate Student Member (does not include online access to Obesity) FREE
Graduate / Medical Student Membership  (1st year – does not include online access to Obesity) FREE
Graduate / Medical Student Membership Renewal (does not include online access to Obesity)* $25.00
Graduate / Medical Student Membership (with online access to Obesity) $60.00

* Individuals who work or reside in countries classified by the World Bank as low, lower-middle or higher-middle income economies are eligible for reduced dues rates. For more information CLICK HERE.

If you have a question regarding billing, please send an email to [email protected].