Board Chair, Kelly Barnhill, MBA, CN, CCN
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.
David Beversdorf, MD
University of Missouri
Dr. Beversdorf is also co-chair of ARI’s Scientific Advisory Board
Dr. David Beversdorf is a Professor of Neurology, Radiology, and Psychological Sciences at the University of Missouri, where he holds the William and Nancy Thompson Endowed Chair in Radiology. Dr. Beversdorf is trained and certified in Behavioral Neurology and Neuropsychiatry. In his clinical work, he sees autistic adults in addition to running a dementia clinic. He is active in neuropsychopharmacology research in autism, having led clinical trials addressing comorbid conditions. His research also includes work on prenatal stress as a risk factor, as well as ongoing studies examining aging in autistic people.
Caroline Bissett, JD
Nemours Children’s Health
Since 2012, Caroline Bissett has served as in-house counsel for Nemours Children’s Health, one of the nation’s largest integrated pediatric health systems, providing hospital and clinic-based specialty care, primary care, prevention, and health information services to children and their families. Prior to joining Nemours Children’s, Ms. Bissett practiced law at a Florida firm, with a focus on health care regulatory matters and administrative law.
Ms. Bissett and her family reside in Florida. Ms. Bissett also previously served as a Director of the Central and Northeastern Florida Chapter of the Crohn’s and Colitis Foundation from 2014 to 2021.
Board Vice Chair, Robert Hendren, D.O.
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. Dr. Hendren also serves on ARI’s Scientific Advisory Board. Learn more about Dr. Hendren
Wenn Lawson, Ph.D.
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
Illene Roggensack, MBA, CFRE
Third Sector Innovations
Illene Roggensack is co-owner of Third Sector Innovations and Strategic By Nature, both Western Colorado-based firms that assist nonprofit and governmental organizations with planning, organizational development, board and staff leadership, fundraising and market research. Her expertise derives from 40+ years as a nonprofit executive director, fundraising director, board member, volunteer and consultant. She holds an MBA and recognition as a Certified Fund Raising Executive (CFRE). As an active volunteer, Illene is a Trustee at Franklin College (IN) and Past President of both Colorado Nonprofit Association and Grand Junction (CO) Lions Club. More than a decade ago, Illene founded The Giving Club to promote collective philanthropy, catalyzing a total four continuing active clubs for women and men in Western Colorado communities.
Roni Rosenfeld, J.D.
Northwestern University Kellogg Board Fellow
Roni Rosenfeld is a first-year MBA student at the Kellogg School of Management at Northwestern University (Class of 2027), concentrating in Strategy and Finance. Roni holds a dual degree in Law and Economics from Tel Aviv University and spent six years as a commercial litigator at Goldfarb Gross Seligman, one of Israel’s leading law firms, where she advised on complex litigation, M&A, and large-scale commercial transactions. As a Golub Capital Board Fellow, she is excited to deepen her understanding of board governance and build meaningful connections across the nonprofit sector.
Board Treasurer, James Walker
James Walker has more than 30 years of senior executive leadership experience in the wealth management and asset management industries. Before joining Adams Street Partners, 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.