Are you joining The Obesity Society for savings on ObesityWeek®? Do it while you register on to eliminate wait time.

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

Access your TOS membership or join us today!




Join while registering on to avoid wait time.

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 for networking.
    • You will also have access to our industry job board.
  • 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 access to Obesity, the flagship scientific journal of The Obesity Society—both in print and online.
    • 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.

To join The Obesity Society or to view membership categories, click here.

Looking for more information? Connect with the Membership Team.