Key Lecturers
Learn from the best of the best at ObesityWeek®. Key lectures are delivered by some of the most lauded researchers, clinicians, and professors. You can also check the interactive program for many more sessions, including symposia, orals, and awards. Search by keyword, title, speaker, or track.

Andres Acosta, MD, PhD
Professor of Medicine
Mayo Clinic
PRESENTATION TITLE:
Why One Size Will Never Fit All—Biological Diversity in Obesity and Treatment Response
Sunday, November 15,2026, 10:30-11:30 am ET
TRACK 2: Neuroscience
TRACK 3: Clinical Studies
TRACK 5: Clinical Practice
Click here to Read Biography
Dr. Acosta is a physician, scientist, and obesity expert. He is board certified in Internal Medicine, Gastroenterology and Hepatology, and Obesity Medicine and Nutrition. Dr. Acosta holds an MD from Universidad San Francisco De Quito, Ecuador, and a PhD from University of Florida, Gainesville. Currently, he is an Associate Professor of Medicine and Consultant in Gastroenterology and Hepatology at the Mayo Clinic, Rochester, MN. He co-directs the Nutrition Obesity Research Program and directs the Precision Medicine for Obesity Program at Mayo Clinic.
Dr. Acosta’s goal is to treat and ultimately cure obesity, which he considers this century’s health epidemic. Dr. Acosta’s research focuses on precision medicine for obesity with the aim to identify the right therapy for the right patient, minimizing side effects. His research is supported by the National Institute of Health, many foundations and industry. He is a recognized national and international obesity and cardiometabolic disease expert with many patents, more than 145 peer-reviewed publications, including publications in the Lancet, Cell Metabolism, Gut and Gastroenterology, and many book chapters. His work has been featured in the New York Times, Time, CNN, NPR, among others. He won the 40-under-40 innovation award at Minneapolis Business Journal 2020 and Tekne Award (Winners exemplify Technology Innovation in Minnesota). He co-founded Phenomix Sciences and launched the first-of-its-kind diagnostic test to predict response to GLP-1s and other obesity/metabolic interventions. This invention was featured by Time Magazine as one of the best inventions of 2024.

Matthew Buman, PhD
Director and Professor, College of Health Solutions
Arizona State University
PRESENTATION TITLE:
Beyond Counting Steps—Wearables as Engines of Metabolic Change
Monday, November 16, 2026, 8:30-9:30 am ET
TRACK 4: Population Health
Click here to Read Biography
Dr. Matthew Buman received his PhD in Applied Physiology & Kinesiology from the University of Florida in 2008 and completed a postdoctoral fellowship at Stanford University School of Medicine in 2011. Dr. Buman is a professor and director of Precision Health Research Initiatives at Arizona State University (ASU), and Associate Dean of Research for the ASU School of Technology for Public Health. Dr. Buman’s research focuses on the dynamic interplay of behaviors across the 24 hours – sleep, sedentary behavior, and physical activity – and their joint impact on metabolic health, and how to leverage personal technologies (i.e., smartphones, wearables) to deliver lifestyle interventions that target these behaviors.

Roger Cone, PhD
Director
Life Sciences Institute, University of Michigan
PRESENTATION TITLE:
A Receptor by Any Other Name Would Signal as Sweet—How Melanocortin Receptors Reshaped the Genetics of Obesity
Tuesday, November 17 2026, 10-11 am ET
TRACK 1: Metabolism & Physiology
TRACK 2: Neuroscience
TRACK 3: Clinical Studies
TRACK 5: Clinical Practice
Click here to Read Biography
Roger Cone received his Ph.D. from MIT in 1985. Dr. Cone was Professor and Chair of Molecular Physiology and Biophysics at Vanderbilt from 2008-2016, and is now Director of the Life Sciences Institute at the University of Michigan. Cone works on the central control of energy homeostasis, with a focus on the role of the central melanocortin system.

Gail Daumit, MD, MHS
Johns Hopkins Bloomberg School of Public Health
PRESENTATION TITLE:
Translating and Disseminating a Behavioral Obesity Treatment Intervention for Adults with Serious Mental Illness
Tuesday, November 17 2026, 10-11 am ET
TRACK 3: Clinical Studies
TRACK 5: Clinical Practice
TRACK 6: Public Policy

Joy DeBellis, DNP, FNP-C, DipACLM, PNAP
Associate Clinical Professor
Auburn University, American College of Lifestyle Medicine
PRESENTATION TITLE:
The Missing Link in Obesity are—Building Resilient Habits for a Chaotic World
Sunday, November 15, 2026, 10:30-11:30 am ET
TRACK 5: Clinical Practice
Click here to Read Biography
Dr. Joy DeBellis is an Associate Clinical Professor at Auburn University College of Nursing, where she teaches in the graduate nurse practitioner program, and a board-certified family nurse practitioner with more than 15 years of clinical experience in family medicine, veterans’ health, and vascular care, currently providing care at Varicosity Vein Center. Before becoming a nurse practitioner, she spent a decade working as a personal trainer, an experience that continues to inform her focus on sustainable lifestyle change and metabolic health. Certified in lifestyle medicine through the American College of Lifestyle Medicine, her academic and clinical work centers on lifestyle medicine, nutrition education, sleep health, and sustainable approaches to chronic disease management.

Michael Goran, PhD
Professor
University of Southern California
PRESENTATION TITLE:
Ultra-Processed Foods and the Developing Brain—A Neurodevelopmental Model of Obesity and Chronic Disease Risk
Saturday, November 14, 2026, 3-4 pm ET
TRACK 3: Clinical Studies
Click here to Read Biography
Michael is Professor and Vice Chair for Research in the Department of Pediatrics at Children’s Hospital Los Angeles and Program Director for Nutrition and Obesity at The Saban Research Institute. He holds the Dr Robert C and Veronica Atkins Endowed Chair in Childhood Obesity and Diabetes, He is a native of Glasgow, Scotland, and received his Ph.D. from the University of Manchester, UK. His research on infant and childhood nutrition has been continuously funded by the NIH for the past 35 years, raising $80m in funding, and publishing over 450 peer-reviewed articles.

Sheela Magge, MD, MSCE
Professor and Director, Div. Ped. Endo.
The Obesity Society
PRESENTATION TITLE:
Pediatric Obesity and Chronic Disease – Determining Factors
Tuesday, November 17, 2026, 10-11 am ET
TRACK 1: Metabolism & Physiology
Click here to Read Biography
Dr. Sheela N. Magge received her MD from Yale Medical School, did her Pediatrics residency at Boston Children’s Hospital, and her Pediatric Endocrinology fellowship at the Children’s Hospital of Philadelphia. She is a Professor of Pediatrics, Chief of the Division of Pediatric Endocrinology & Diabetes, and the Lawson Wilkins Chair of Pediatric Endocrinology at the Johns Hopkins University School of Medicine. Dr. Magge is a clinical investigator focused on pediatric obesity, youth-onset type 2 diabetes (T2D), and insulin resistance, as well as the cardiovascular implications of these conditions.

Evanna Mills, PhD
Assistant Professor
Dana-Farber Cancer Institute/Harvard Medical School
PRESENTATION TITLE:
The Immune System and Regulation of Adipose Tissue
Sunday, November 15, 2026, 8:30-9:30 am ET
TRACK 1: Metabolism & Physiology
Click here to Read Biography
Dr. Evanna Mills received her PhD from Trinity College Dublin, Ireland. She has spent the last 4 years as an Assistant Professor in Immunology Dana-Farber Cancer Institute/Harvard Medical School, Boston where her focus is metabolite regulation of macrophages in health and disease.

Robyn Pashby, PhD
Clinical Health Psychologist
Health Psychology Partners
PRESENTATION TITLE:
Is There a Place for Body Positivity in Weight Management?
Saturday, November 14, 2026, 4:30-5:30 pm ET
TRACK 4: Population Health
Click here to Read Biography
Dr. Robyn Pashby is a licensed clinical health psychologist and internationally recognized expert in the psychological and behavioral treatment of weight and weight-related chronic health conditions. As the founder of Health Psychology Partners, she leads a team specializing in the complex intersection of mental health, obesity, and chronic illness. Dr. Pashby integrates evidence-based psychological and behavioral health strategies with medical science, bridging the gap between psychology and medical care to offer comprehensive, patient-centered treatment.
With nearly two decades of experience, Dr. Pashby has contributed extensively to the field through clinical practice, research, and leadership. She serves on key national committees for The Obesity Society, the Obesity Action Coalition, and the American Diabetes Association. She is also a Research Assistant Professor at the Uniformed Services University of the Health Sciences F. Edward Hebert School of Medicine, where she helps shape the future of clinical health psychology.

Eileen Seeholzer, MD, MS
Medical Director, Metrohealth Weight Loss Surgery and Weight Management Center
MetroHealth System
PRESENTATION TITLE:
The Affordable Toolkit—Effective Weight Management Strategies When GLP-1’s Are Out of Reach
Sunday, November 15, 2026, 8:30-9:30 am ET
TRACK 5: Clinical Practice
Click here to Read Biography
Eileen Seeholzer, MD MS is Medical Director of MetroHealth Weight Loss Surgery and Weight Management Center and the MetroHealthy Employee Wellness Initiative for the MetroHealth System. She is also Co-Program Director of the MetroHealth Obesity Medicine Fellowship. A Professor of Medicine, faculty of the Population Health Research Institute at Case Western Reserve University at MetroHealth. She is board certified in Internal Medicine and Obesity Medicine. Her projects: 1) develop/implement tools, programs, and systems-based interventions to help all kinds of people engage/sustain healthier lifestyles, (obesity/metabolic syndrome focus); and 2) support the professional development and job satisfaction of providers to lead high-value, patient-centered team-based care.

Colleen Sloan, PA-C, RDN
Physician Assistant
Exam Room Nutrition
PRESENTATION TITLE:
The Evolving Plate—How Nutritional Needs Shift Throughout the Obesity Care Journey
Saturday, November 14, 2026, 1:30-2:30 pm ET
TRACK 5: Clinical Practice
Click here to Read Biography
Colleen Sloan is a double board-certified physician assistant and registered dietitian, and faculty member at South University. She is the founder of Exam Room Nutrition podcast and creator of the Obesity Medicine Nutrition Course, where she equips clinicians with practical strategies for patient-centered nutrition counseling.

Peter Smith
PRESENTATION TITLE:
PATHWEIGH—Mitigating Population-Level Weight Gain in Primary Care
Sunday, November 15, 2026, 5-6 pm ET
TRACK 3: Clinical Studies
TRACK 5: Clinical Practice
TRACK 6: Public Policy

Kristy Townsend, PhD
Professor; Department of Neurological Surgery
The Ohio State University
PRESENTATION TITLE:
Menopause and Hormone Therapy: New Therapeutics, New Applications
Monday, November 16, 2026, 3:30-4:30 pm ET
TRACK 1: Metabolism & Physiology
Click here to Read Biography
Dr. Kristy Townsend received a PhD in Neuroscience from Boston University and then completed postdoctoral training at King’s College London, and Joslin Diabetes Center at Harvard Medical School, where she was promoted to Instructor in Medicine. In 2014, Townsend joined the faculty at University of Maine and was promoted to Associate Professor with tenure in 2019. In 2020, Townsend was recruited to The Ohio State University where she is now Professor in the Department of Neurological Surgery and runs the Neurobiology & Energy Balance lab, focused on investigating brain and peripheral nerve remodeling in the regulation of metabolic health. Townsend is also Associate Dean for Research Operations and Compliance.
Scientific Tracks
Track 1 |
Metabolism & Integrative Physiology |
Track 2 |
Neuroscience |
Track 3 |
Interventional & Clinical Studies |
Track 4 |
Population Health |
Track 5 |
Clinical & Professional Practice |
Track 6 |
Policy & Public Health |
