Free webinar at 1:00 p.m. Eastern time (US), April 1, 2026

Learn about evidence-based, effective nutritional strategies to manage constipation.

Managing Digestive Issues and Constipation in Autism

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About the speaker:

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Kelly Barnhill, MBA, CN, CCN, is the Director of the Nutrition Clinic at The Johnson Center for Child Health and Development. 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 over 3000 children through this practice.

In addition to her clinical practice, Kelly also serves as the Johnson Center Clinical Care Director, overseeing management and implementation of multidisciplinary care across the practices within the organization. In 2008, Kelly accepted the position of Nutrition Coordinator for the Autism Research Institute. In this role, she designs and manages curriculum and training for hundreds of nutrition practitioners each year, as well as providing direct training for thousands of parents. Kelly is a sought-after presenter, speaking at several national and international conferences each year.

Her studies and work at JCCHD are the culmination of many years’ effort and expertise, with the last several years devoted to understanding the biological underpinnings of the disorder we know as autism. Her work has raised awareness of the need for these services for children with autism and related disorders. Kelly is a graduate of the University of Texas at Austin.

Ms. Barnhill also sits on ARI’s Board of Directors and Scientific Advisory Board.