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Research. Education. Action.

We are the leading scientific membership organization advancing the science-based understanding of the causes, consequences, prevention and treatment of obesity in order to improve the lives of those affected.

The Obesity Society is a scientific membership organization. We are dedicated to improving people’s lives by advancing the science-based understanding of the causes, consequences, prevention and treatment of obesity.
Become a MemberAccess Journal

Obesity Journal Symposium papers now online!

Also see them in December’s Obesity

Read winners onlineAccess December Obesity

Researching obesity?

Connect with us.

Get ConnectedView useful resources

Educating others about obesity?

Learn with us.

Learn the LatestView the Obesity Journal

Taking action on obesity?

Act with us.

Contact UsTake Action

Research. Education. Action.

We are the leading scientific membership organization advancing the science-based understanding of the causes, consequences, prevention and treatment of obesity in order to improve the lives of those affected.

The Obesity Society is a scientific membership organization. We are dedicated to improving people’s lives by advancing the science-based understanding of the causes, consequences, prevention and treatment of obesity.
Become a MemberAccess Journal

Obesity Journal Symposium papers now online!

Access December ObesityRead winners online

Also see them in December’s Obesity

Researching obesity?

Connect with us.

Get ConnectedView useful resources

Educating others about obesity?

Learn with us.

Learn the LatestView the Obesity Journal

Taking action on obesity?

Act with us.

Contact UsTake Action

Advancing the Science of Obesity

You can make a difference.

Getting Connected

Learn more

Getting Connected

The Obesity Society connects with experts, government/non-government organizations and the public to:

  • Develop, influence and promote vital policies and public positions
  • Create and implement guidelines and cross-discipline learning, sharing and action that advances healthy behaviors
  • Reduce obesity-related bias

Supporting Interactions

Learn more

Supporting Interactions

The Obesity Society works with professionals and various audiences on:

  • Valuable conferences and educational opportunities, including early-career professional development and achievement programs
  • Informative professional/academic and popular publications
  • Essential financial development and support

Increasing Impact

Learn more

Increasing Impact

The Obesity Society also helps leaders, investigators and innovators to:

  • Launch and promote needed public health initiatives
  • Translate basic science and clinical trial results into real-world interventions
  • Expand the boundaries of scientific exploration
Contact us for more information

News You Can Use

New President Named for
The Obesity Society

Steven B. Heymsfield, MD, FTOS, an obesity and human nutrition expert and one of the world’s highest-cited research scholars, will serve…

Read article

The Obesity Society
Elects Officers

Two long-time members of The Obesity Society (TOS) have joined the organization’s Executive Committee…

Read article

The Obesity Society Calls for More Research on Sugar-Sweetened Beverage Tax

Experts note questions remain on tax structure, diet changes to health and obesity outcomes…

Read article

TOS to Promote Specialized Physician Training in Obesity Care Across the
U.S.

Collaborative effort aims to transform care through Obesity Medicine Fellowship Development Program…

Read article

THE OBESITY JOURNAL

Providing you groundbreaking scientific information and research in each issue.

Read the latest

GRANTS & AWARDS

Recognizing leading-edge explorations and achievements in the obesity field.

View opportunities

RESOURCES

Helping you find facts, clinicians, connections, careers and vital information.

Resources you can use

NEWSROOM

Supplying the latest news about the entire obesity field.

Get the news
300

ABSTRACTS DELIVERED
AT OUR ANNUAL MEETING

1,300

ARTICLES SUBMITTED
per year to OBESITY

$875K

AMOUNT WE GRANTED & AWARDED
TO PROFESSIONALS IN THE OBESITY FIELD

98

OTHER ORGANIZATIONS
ACTIVELY PARTNER WITH US

2,865

PROFESSIONALS ATTEND
OBESITY SOCIETY EVENTS

Continuing a Heritage of Leadership

TOS President

Steven B. Heymsfield, MD, FTOS

Steven B. Heymsfield, M.D. is a widely published author, educator and researcher who has extensively investigated topics ranging from obesity and malnutrition to cachexia, body composition and caloric expenditure.

He currently serves as professor and director of the Body Composition-Metabolism Laboratory at the Pennington Biomedical Research Center of the Louisiana State University System in Baton Rouge.

His previous positions include professor of medicine and deputy director of the New York Obesity Research Center at Columbia University.

Dr. Heymsfield has published more than 600 peer-reviewed papers and has received numerous awards for his studies in the field of human nutrition.

TOS President Elect

Lee M. Kaplan, MD, PhD, FTOS

Dr. Lee M. Kaplan is director of the Obesity, Metabolism and Nutrition Institute at Massachusetts General Hospital (MGH) and founding director of the hospital’s Weight Center. He is also associate professor of medicine at Harvard Medical School (HMS). Dr. Kaplan’s research focuses on the role of the gastrointestinal tract in the regulation of energy balance and metabolic function, including the mechanism of action of bariatric and metabolic surgery. He has authored more than 200 medical and scientific papers.

Dr. Kaplan is director of the subspecialty fellowship program in Obesity Medicine and Nutrition at MGH; director of the Blackburn Course in Obesity Medicine at HMS; and associate director of the Nutrition and Obesity Research Center at Harvard, which is sponsored by the National Institutes of Health. He is a diplomate of the American Board of Obesity Medicine and a diplomate in internal medicine and gastroenterology of the American Board of Internal Medicine.

TOS President Elect

Lee M. Kaplan, MD, PhD, FTOS

Dr. Lee M. Kaplan is director of the Obesity, Metabolism and Nutrition Institute at Massachusetts General Hospital (MGH) and founding director of the hospital’s Weight Center. He is also associate professor of medicine at Harvard Medical School (HMS). Dr. Kaplan’s research focuses on the role of the gastrointestinal tract in the regulation of energy balance and metabolic function, including the mechanism of action of bariatric and metabolic surgery. He has authored more than 200 medical and scientific papers.

Dr. Kaplan is director of the subspecialty fellowship program in Obesity Medicine and Nutrition at MGH; director of the Blackburn Course in Obesity Medicine at HMS; and associate director of the Nutrition and Obesity Research Center at Harvard, which is sponsored by the National Institutes of Health. He is a diplomate of the American Board of Obesity Medicine and a diplomate in internal medicine and gastroenterology of the American Board of Internal Medicine.

TOS Vice President

Catherine Kotz, PhD, FTOS

A leading researcher into the neuroscience of obesity and energy balance, Dr. Catherine Kotz is professor and director of graduate studies at the University of Minnesota’s Department of Integrative Biology and Physiology.

She is also acting associate director of research at the U.S. Department of Veterans Affairs’ Geriatric Research Education and Clinical Center in Minneapolis.

Dr. Kotz is a long-time, active member of TOS and has served on numerous Society committees, including Public Affairs, Nominating, Planning, Finance and Publications.

She has also served on TOS Council and as a spokesperson for the organization. She holds two advanced degrees from the University of Minnesota; a PhD in nutrition sciences and a master of science degree in human nutrition.

TOS Immediate Past President

Caroline Apovian, MD, MD, FACP, FTOS, DABOM

Caroline Apovian, MD, a nationally and internationally recognized authority on nutrition and obesity medicine, is professor of medicine and pediatrics in the Section of Endocrinology, Diabetes, and Nutrition at Boston University School of Medicine.

Dr. Apovian also serves as director of the Center for Nutrition and Weight Management at Boston Medical Center. She has authored more than 10 books and more than 170 peer-reviewed original research and review articles on obesity and nutrition.

Her research includes the study of weight loss/gain and its effects on adipose tissue metabolism and inflammation; obesity and cardiovascular disease; diabetes and cardiovascular disease in the bariatric surgery population; disparities in the treatment of obesity in underserved populations; and investigations into novel pharmacotherapeutic agents for the treatment of obesity.

TOS Immediate Past President

Caroline Apovian, MD, FACP, FTOS, DABOM

Caroline Apovian, MD, a nationally and internationally recognized authority on nutrition and obesity medicine, is professor of medicine and pediatrics in the Section of Endocrinology, Diabetes, and Nutrition at Boston University School of Medicine.

Dr. Apovian also serves as director of the Center for Nutrition and Weight Management at Boston Medical Center. She has authored more than 10 books and more than 170 peer-reviewed original research and review articles on obesity and nutrition.

Her research includes the study of weight loss/gain and its effects on adipose tissue metabolism and inflammation; obesity and cardiovascular disease; diabetes and cardiovascular disease in the bariatric surgery population; disparities in the treatment of obesity in underserved populations; and investigations into novel pharmacotherapeutic agents for the treatment of obesity.

TOS Secretary/Treasurer

Leah Whigham, PhD, FTOS

Dr. Leah Whigham is the founding executive director of the Paso del Norte Institute for Healthy Living (IHL) and associate professor in the Department of Public Health Sciences at the University of Texas at El Paso.

Her research has increased our understanding of metabolism as it relates to obesity, the influence of nutrients and immune function on body composition, and the impact of the environment on nutrition and physical activity.

At the IHL, Dr. Whigham oversees a mission to increase healthy eating and active living by providing a bridge between science and application that empowers individuals, families, organizations, and communities to build a culture of health.

Dr. Whigham has a bachelor’s degree in biochemistry from Iowa State University and a PhD in nutritional sciences from the University of Wisconsin, Madison.