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

Carmen Arroyo-Otero, MD

Carmen Arroyo-Otero, MD serves as a consultant to the healthcare program. Dr. Otero is a board certified pediatrician with extensive training and experience in pediatrics and integrative medicine. Dr. Otero’s empathy, knowledge, and enthusiasm for helping children with developmental disorders around the globe drive her commitment to the international autism community.

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 was diagnosed with the illness.

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.

Dr. Mosher’s professional interests include osteopathic manipulative medicine, functional medicine, which focuses on the diagnosis and treatment of the root causes of chronic disease, and urgent care medicine.

Ana Murga, Nutrition Clinic Manager

Ana MurgaAna is a graduate of Florida International University with a Bachelors of Science in Health Sciences. She began her career at The Johnson Center in 2009 as a Front Desk Manager and is now the Nutrition Clinic Manager. She is committed to a career in the health care field, and is currently certified as a Pharmacy Technician. Her long term interests include a career as a Nurse Practitioner. Ana is a pro at juggling multiple tasks and has helped a great number of families with her Spanish interpretation skills - her bilingual abilities allow families from all over the world to seek services at The Johnson Center. As the Nutrition Clinic Manager, Ana focuses on customer service, billing, job training and supervision for adults with ASD working in the nutrition department.

Monica Silva

Monica Silva is a nutrition clinic assistant at the Johnson Center, where she works closely with staff to capture clinical nutrition data that helps lead to treatments and therapy for children on the autism spectrum. Monica has spent nearly a decade in the nutrition and fitness field, receiving a BS in Food Science from Texas A&M University and working as an innovative external relations manager at a fast-growing physical therapy device company. Monica is currently pursuing her Master’s studies in Nutrition at Texas State University.