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Meet Our Team

NCWW is proud to have a team of healthcare professionals that share a common vision that shapes our Center. We believe in science-based, patient-centered, warm, and compassionate care. Learn about the members of our team:


Scott Kahan

Scott Kahan, MD, MPH

Dr. Scott Kahan is the Director of the National Center for Weight and Wellness. He is a physician trained in both clinical medicine and public health. He serves on the faculties of the Johns Hopkins Bloomberg School of Public Health, the George Washington University School of Medicine, and the George Washington University School of Public Health and Health Services. He is the former Director of the George Washington University Weight Management Program and former Assistant Director of the Johns Hopkins Weight Management Center. Read More…

Robyn Osborn

Robyn Osborn Pashby, PhD

Dr. Robyn Osborn Pasby is the Assistant Director of NCWW. She is a clinical health psychologist who specializes in the cognitive, behavioral and emotional aspects of weight management and wellness. Her training in both medical and clinical psychology provides a unique perspective on the bridge between psychology and health. Read More…

Renu Mansukhani

Renu Mansukhani, MD

Dr. Renu Mansukhani is an endocrinologist whose practice focuses on obesity medicine and helping patients with weight management. Her focus is on obesity as a biologically based chronic disease, and views her role as a doctor, a dietitian, and psychologist all in one. She has previously worked as a staff physician for the George Washington University Weight Management Program. Read More…

Bill Picon

Bill Picon, PhD

Dr. Bill Picon is a clinical psychologist who specializes in the psychology of long-term management of eating and weight control. Dr. Picon served as a senior psychologist at the George Washington University Weight Management Program from 1981 to 2011. He earned his Ph.D. from the University of Maryland, then completed an internship in clinical psychology at Spring Grove Hospital Center and a psychology residency at St. Elizabeth’s Hospital.
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Arthur Frank

Arthur Frank, MD, MS

For more than 30 years, Dr. Arthur Frank was the medical director of the former George Washington University Weight Management Program; a comprehensive program for the assessment and multidisciplinary treatment of obesity and related metabolic diseases. He is a Clinical Associate Professor of Medicine at the George Washington University School of Medicine and is now a senior physician at the National Center for Weight and Wellness, a successor program in Washington, DC.
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Benjamin Bronheim, MD

Dr. Benjamin Bronheim is a psychiatrist who provides both psychotherapy and medication consultation to adults with a broad range of psychological and behavioral disorders. For the past 30 years, Dr. Bronheim has specialized in treating individuals with obesity and eating disorders, dissociative disorders, and the effects of physical, sexual and psychological abuse. He supports patients through a range of individualized approaches including psychodynamic psychotherapy, mindfulness, and guided imagery. Read More…

Nicole Brown, MS, RDN, LD, ACSM EP-C

Nicole Brown is passionate about health promotion! She assists NCWW patients with incremental lifestyle changes that help lower cholesterol, improve blood pressure, manage blood sugars and other important nutrition changes in addition to weight management. She is a registered dietitian with a Master of Science degree from the University of California, Berkeley and more than 25 years of experience in clinical nutrition and health promotion. Read More…



Kathleen Rodgers, MA, RDN, LD, CDE

Kathleen Rodgers has a Master’s Degree in Exercise Physiology from the University of Maryland, and a Bachelor’s Degree in Dietetics from California State University, Long Beach. She has over 20 years of experience as a Licensed and Registered Dietitian in a variety of locations and professional settings. Furthermore, she has over 15 years of experience as a Certified Diabetes Educator, and is also a Certified Specialist in Sports Dietetics. Read More…



Kelly Theim Hurst, PhD

Dr. Kelly Theim Hurst is a psychologist at NCWW whom patients may initially meet during the “behavioral assessment” or during the Stress and Coping drop-in group. Dr. Theim Hurst is passionate about helping individuals achieve their health and wellness goals in a collaborative manner and using a variety of tools, rather than a “one-size-fits-all” approach. Read More….


Michelle O’Brien, MA, CPT-ACE, GFI-ACE

Michelle O’Brien is a member of our behavioral psychology team. In addition, she serves as one of our instructors for mind-body classes, including meditation and Yoga…for Every Body.  Michelle is passionate about working with people to find their own unique pathways to health. Her clients appreciate her warmth, genuineness, and down-to-earth approach to health behavior change. Read More…


Allison Grupski, PhD

Allison Grupski, PhD is a clinical psychologist specializing in health behavior change and obesity-related concerns.  When she first learned about NCWW, she was immediately impressed by the unique patient-centered philosophy and providers’ deep understanding of the complicated factors impacting people with obesity such as weight stigma and treatment bias. Read More…


Sarah Kuchinos, MS, MA, CPT-ACSM

Sarah Kuchinos is a Movement Specialist at NCWW, and you will likely meet her at one of your initial movement assessments, upon starting at NCWW. She is a Certified Personal Trainer through the American College of Sports Medicine, as well as a Corrective Exercise Specialist through the National Academy of Sports Medicine. She is trained in exercise mechanics and physiology, and enjoys working with people of all abilities and experience levels. Read More…



Rachel Stone, MBA

Rachel Stone is our Practice Manager.  Her role is multi-faceted, but is focused heavily on coordinating the care of every patient. She is deeply passionate about the center’s mission of individualized, “whole person” care, and you may work with her in many ways. You will likely meet Rachel when you first come to the clinic, either at an information session or during an initial appointment.  Please feel free to reach out to her for any reasons, whether administrative questions or for help scheduling appointments or contacting one of our providers – or if you have any feedback or suggestions about our practice. Read More…