
Johnson Center for Child Health & Development
Ms. Barnhill also serves on ARI’s Scientific Advisory Board
Kelly Barnhill is Clinical Care Director at The Johnson Center for Child Health and Development, overseeing management and implementation of multidisciplinary care across the practices within the organization. She is a Certified Clinical Nutritionist, with over a decade of experience working with nutrition in children with autism and related disorders. At the Johnson Center she directs a team of dieticians and nutritionists that has served more than 3,000 children through this practice. Learn more about Kelly Barnhill.
Margaret Bauman, MD
Boston University School of Medicine
Dr. Bauman also serves on ARI’s Scientific Advisory Board
Dr. Margaret L. Bauman is a distinguished pediatric neurologist and research investigator who has been a pioneer in the study and treatment of autism for the past 40 years. One of the world’s foremost physicians in this field, she is highly respected for the outstanding clinical care she provides, as well as for her research and teachings in the domain of developmental disorders. Learn more about Dr. Bauman.

University of California, San Francisco Medical Center
Dr. Hendren also serves on ARI’s Scientific Advisory Board
Robert L. Hendren, D.O., is Professor of Psychiatry and Behavioral Science Emeritus 2023; Division of Child and Adolescent Psychiatry; Dr. Hendren is Past President of the American Academy of Child and Adolescent Psychiatry (2007-2009). His areas of research and publication interests are translational interventional outcomes research. He is currently applying a targeted outcomes research approach in collaborative projects with the Oak Hill School for youth with severe autism and neurodevelopmental spectrum disorders in San Anselmo, CA where he is also Chairman of the Board. He has been on the Board of the Autism Research Institute since 2017. Dr. Hendren also serves on ARI’s Scientific Advisory Board. Learn more about Dr. Hendren

Teaching Fellow, Birmingham University, UK; Research Officer MacQuarie University, NSW. Australia; and University of Western Australia, and Curtin University, WA.
Dr. Lawson is a member of the Australian Autism Research Council, the Australian Association of Social Work (AASW), and the Australian Psychological Society (MAPs), a board member of LifeScience Global, and sits on the editorial boards of Autism in Adulthood Journal and the Journal of Intellectual Disability-Diagnosis and Treatment. In addition, Dr. Lawson serves as an ambassador for I CAN Australia and is a member of Autism CRC, Australia. The British Psychological Society (AFBPsS) has appointed Dr. Lawson associate fellow. In the US, Dr. Lawson serves as a member of the Advisory Board Member of the US Autism Association.
Learn more about Dr. Lawson

Chief Operating Officer at Adams Street Partners
Chicago, IL
James Walker has more than 30 years of senior executive leadership experience in the wealth management and asset management industries. Before joining Adams Street, he was COO at Credit Suisse Private Bank Americas, spent seven years at Morgan Stanley Global Wealth Management (and predecessor firms), served as COO – Investment Advisory Services at Citi Global Wealth Management, and then as Director of Strategy, Finance and Risk. He began his career at Merrill Lynch, rising to Chief Administrative Officer for the Global Private Client business. Mr. Walker has served on multiple boards and is a regular lecturer at MIT’s Sloan School of Business.
Board Secretary, Harland Winter, M.D.
Massachusetts General Hospital
Harvard Medical School
Dr. Winter also serves on ARI’s Scientific Advisory Board
Dr. Harland Winter, M.D., is a pediatric gastroenterologist in Boston, Massachusetts. He is affiliated with Massachusetts General Hospital, Boston Children’s Hospital, and Newton-Wellesley Hospital. Dr. Winter is the Director of the Pediatric Inflammatory Bowel Disease (IBD) Program at Massachusetts General Hospital and an Associate Professor of Pediatrics at Harvard Medical School. He is an internationally regarded physician and accomplished researcher and professor having authored numerous published research and books on subjects related to IBD. Learn more about Dr. Winter.