Darcy Stiefer
Certified Child Life Specialist
at CHRISTUS Mother Frances Hospital
Tyler, TX USA
CAS26825517
07/15/2026
05/14/2028
A Certified Autism Specialist (CAS) has been verified by the International Board of Credentialing and Continuing Education Standards (IBCCES) to have voluntarily met rigorous professional standards, demonstrating experience and education in autism. A CAS has a minimum of a Master’s degree and 2 years of experience or a Bachelor’s degree and 10 years of experience. The CAS obtains 14 continuing education hours in Autism every two years in order to stay up to date in the field. A CAS has also passed the IBCCES Autism Competency exam. Learn more about IBCCES certifications