Kelly Barnhill, MBA, CN, CCN

K Barnhill 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.

Alan Gutierrez, MS, RD, LD

Alan Gutierrez, MS, RD, LD, is a registered dietitian whose longstanding clinical and research interests include behavioral and environmental nutrition, as well as oral health. His clinical training includes a dietetic internship at Tulane University School of Public Health and Tropical Medicine and student clinician training at the Bastyr Center for Natural Health, a teaching medical clinic of Bastyr University in Seattle, WA. He has a Master of Science degree in nutrition at Bastyr University and a Bachelors of Science degree in biology at William Paterson University in New Jersey. In addition to his academic and clinical training, Alan has accrued an extensive knowledge of nutritional supplementation and support after having worked in this field for more than a decade. Alan is inspired by the researchers, clinicians and parents in the autism treatment community. He has worked with The Johnson Center since 2009 to consult with families, conduct clinical research, and presents his work at national and international research conferences.

Rebeca Flores, RN

Rebeca Flores, RN has been interested in integrative health for many years.  In addition to nursing school, she spent significant time studying nutrition. She joined the team at The Johnson Center in 2011 and is committed to merging her education and her interest in helping people reach their optimum health.

Her blog write-up can be found at

Dane Mosher, DO

Dane Mosher, D.O., is a board-certified family physician; like many people in the field, he began studying the treatment of autism after his son received an autism diagnosis.

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Dr. Mosher was raised near Houston and has spent most of his life in Texas.  He received his Bachelor of Science degree in Mathematics from New Mexico State University, followed by several years working as a computer programmer in Austin and West Texas.  In 1999, he changed careers, becoming the head brewer for an Austin-area microbrewery. He later decided to pursue his longstanding interest in the health sciences and committed himself to a career of helping others by obtaining his Doctorate of Osteopathic Medicine from the University of North Texas Health Science Center of Fort Worth. 

He completed a three-year family medicine residency at East Tennessee State University in Kingsport, Tennessee, a primary care training program in an area of the country that sees a wide variety of pathologies.  The teaching hospital in Kingsport has one of the busiest emergency rooms in Tennessee.  His training there included pediatric outpatient and inpatient care, as well as time in the pediatric ICU. In 2015, Dr. Mosher became an IFM Certified Practitioner.

IFM Badge

In 2017, Dr. Mosher joined the Board of Directors of the American Academy of Environmental Medicine.

Dr. Mosher’s professional interests include childhood development, osteopathic manipulative medicine, functional medicine, and urgent care medicine.

Amanda Tami, MA, LPC, BCBA

Amanda holds a master’s degree in counseling psychology and has completed a recertification program in Applied Behavior Analysis (ABA). In addition to being a Board Certified Behavior Analyst, Amanda is a Licensed Professional Counselor.  She has experience working with both children and adults, including those who have autism spectrum and other pervasive developmental disorders, ADD/ADHD, anxiety issues, and trauma, both as a BCBA and as a counselor. She has additional specialized training as a counselor in EMDR therapy and its applications to children.

Amanda is pleased to be able to share her experience and knowledge in the Johnson Center’s Behavioral Services and Counseling program, giving her the opportunity to pursue her passion for helping children and adolescents with special needs. Amanda comes from a unique position in her education and background to understand the challenges that clients and their families face - developmentally, behaviorally, emotionally, and systematically - to see the patterns and teach the skills needed to improve quality and functioning in all aspects of life.

Jarett Suhr

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Jarrett Suhr has been working at The Johnson Center in the Nutrition Clinic since August of 2009. Born in The Woodlands, Texas, he moved to Austin with his family in 1998. Diagnosed with ASD when he was a child, Jarett enjoys working at The Johnson Center because he gets to be a part of an organization that helps so many others on the autism spectrum.

His colleagues at The Johnson Cetner value Jarrett’s kind nature, humor, and optimism. As assistant to the Nutrition Clinic Manager, Jarrett is in charge of shipments and stocking inventory for the Nutrition Clinic. Always willing to lend a helping hand, Jarrett makes sure to keep the toys and play areas organized and clean for when clients visit the office, and he often assists the administrative staff with their tasks.

Morgan Devlin

Morgan Devlin is a graduate of the University of Texas at Austin, earning a Bachelor of Science in psychology. She began her time at the Johnson Center as an intern and joined the research team in the Spring of 2016. She works closely with patients and families to recruit for ongoing studies aimed at identifying biomarkers in children with an autism spectrum disorder using genomic, proteomic, and metabolomic profiling that may be useful for targeting therapeutic interventions.

With an interest in working with children with development delays, Morgan is gaining valuable experience at The Johnson Center. She finds that the interdisciplinary approach taken by the caring and committed staff provides a unique atmosphere for patients and families to receive individualized care. In her spare time, Morgan enjoys running, cooking, live music, and exploring Austin eateries.