Transition Team

Sarah Lyons, MD - Co-director, Type 1 Transitions Program, & Co-Leader, Transition Medicine Clinic

Dr. Lyons is a med-peds endocrinologist (board-certified in both pediatric and adult endocrinology) and enjoys caring for adolescents and young adults with diabetes and endocrine conditions. She wants to improve the transition from pediatric to adult healthcare.


Marisa E. Hilliard, PhD - Co-director, Type 1 Transitions Program

Dr. Hilliard is a clinical pediatric psychologist whose clinical care and research focuses on supporting the health and well-being of young people with type 1 diabetes and their families. Her work focuses on promoting resilience, specifically how youth and families overcome the challenges of diabetes to most effectively manage diabetes while maintaining good quality of life, and she studies strengths-based clinical approaches to support these outcomes. 


Daniel DeSalvo, MD - Co-Leader, Transition Medicine Clinic

Dr. DeSalvo is a pediatric endocrinologist and his overarching goal is to provide compassionate and comprehensive treatment to youth and young adults entrusted to his care, and to advance the field through clinical research. It was through his personal experience living with type 1 diabetes, and a desire to help others on a similar journey that motivated him to become a pediatric endocrinologist.  


Rebecca Butler, LMSW - Transition Social Worker

Ms. Butler has been in social work almost 20 years. She was with Children’s Protective Services for 16 years. Ms. Butler began with Texas Children's Hospital in 2015 in the Diabetes/Endocrine department and has done numerous presentations at national conferences, diabetes camp, and local family support groups. Ms. Butler is an advocate for diabetes awareness and medical access for children.