BIA's mission is to significantly improve the lives of children diagnosed with Autism by providing innovative and individualized treatment.  

BIA is a recognized leader within the community for intervention and support of young children diagnosed with Autism Spectrum Disorders (ASDs), which include Autism, Asperger’s Syndrome, and PDD-NOS (Pervasive Developmental Disorder Not Otherwise Specified). 

About BIA

BIA is non profit agency providing in-home programs to children from birth to 5 years of age. BIA offers social skills groups for children ages 5 and up. BIA also has an integrated preschool and offers center based programming at its Fresno campus.



The incidence of Autism is purported to be 1 in 10,000. There is one ABA provider in the San Francisco Bay Area.


Hilary Baldi, BIA Founder, takes a course at UCLA from Dr. Ivar Lovaas who pioneered using an intensive ABA approach with young children diagnosed with Autism.


Dr. Ivar Lovaas publishes a study citing the effectiveness of intensive early intervention utilizing an ABA approach. 47% of children in the study are able to be mainstreamed in general education.


Ms. Baldi moves to the SF Bay Area and begins working with children diagnosed with ASD.


Deanne Detmers, BIA Founder, completes her MA in Special Education and is working as a research assistant with Dr. Bryna Siegel at the UCSF PDD Clinic. Ms. Detmers begins training under Ms. Baldi implementing ABA programs.


Most families are paying privately out of pocket for services.


Behavioral Intervention Association (BIA) is founded as a 501 (c)(3) California Non-Profit. Richard & Ida Demirjian commit $60K to provide seed money for BIA.


BIA expands services to Sacramento, California and Monique Bekeschus begins her training with BIA.


BIA begins providing services in the United Kingdom and Ireland becoming the first ABA provider in both of these countries.


BIA’s DVD, Embracing Play, receives a review in the Journal of Autism and Developmental Disorders.


BIA creates ‘The Clubhouse’ afterschool social skills group.


BIA opens a campus in Fresno, California, which includes an integrated preschool through a generous grant from First 5 California. Ms. Bekeschus becomes the Clinical Director of the Fresno services.


BIA produces its 2nd video, Passport To Friendship.


BIA Village Preschool is accredited by the National Association for the Education of Young Children (NAYEC).


BIA celebrates its 20th Anniversary of providing services to families affected by Autism.



BIA continues to provide services in the San Francisco Bay Area, Fresno and Salinas/Monterey areas. The incidence of Autism is now 1 in 68. BIA remains steadfastly committed to providing high quality early intervention programs to children diagnosed with Autism.