Inland Empire
ABA Therapy

Helping your child with autism reach their full potential through ABA.

Where We Serve

These services are available in:

  • San Bernadino and Riverside Counties
  • Banning
  • Chino
  • Corona
  • Fontana
  • Hemet
  • Lake Elsinore
  • Moreno Valley
  • Murrieta
  • Ontario
  • Palm Springs
  • Rancho Cucamonga
  • Redlands
  • Riverside
  • San Jacinto
  • Temecula
  • Yucaipa
Don’t see your city?
Contact Us


Hayley Peck, MA, BCBA

“I am passionate about ABA and love empowering children and families. When a child realizes that how to appropriately get their needs met, and when parents are able to have more options in their daily life, it is very gratifying.”

Hayley Peck is AST’s Clinical Director for the Inland Empire Region.  Hayley received her bachelor’s degree in psychology from the University of California, Santa Barbara and her master’s degree in psychology with an emphasis in child and adolescence from The Chicago School of Professional Psychology.  She is also a Board Certified Behavior Analyst (BCBA).    Hayley has known she wanted to work with kids since the age of 8 and worked as a camp counselor since the age of 10.  Once she entered the field of ABA, she knew she found her passion. Hayley began her career at AST in 2008 as a behavior technician.

Trisha Lorimer, MA, BCBA

“I am so lucky to be able to work with such amazing staff and families. They inspire me with their dedication and perseverance. I am motivated every day to support our teams in doing all we can to help families progress and reach their goals."

Trisha is a Senior Clinical Director for AST.  She supports the Inland Empire in California as well as our growing Midwest regions. She received her master’s in applied behavior analysis from The Ohio State University and her master’s in special education from University of Phoenix. Trisha has been in the field of applied behavior analysis for over 15 years. She has worked at AST since 2010 and has held the positions of Program Supervisor, Behavior Consultant, Staff Support Manager and Clinical Director.


In network with the following insurance companies:

  • Aetna
  • Anthem Blue Cross
  • Blue Shield of CA/Magellan
  • Blue Cross Blue Shield from another state
  • Cigna
  • Humana/Lifesynch
  • Kaiser/Easter Seals
  • United Behavioral Health
  • Inland Empire Health Plan
  • Molina
  • Inland Regional Center
  • Pomona Unified School District
  • Desert Mountain SELPA
  • Fontana Unified School District
  • Bonita Unified School District
  • Chino Valley Unified School District
  • Glendora Unified School District
  • West End SELPA
What You Need to Know

Join our Inland Empire team!

Local Office

337 N. Vineyard Ave. Suite 301
Ontario, CA 91764

Mon-Sat 8am-8pm


1451 Rimpau Ave, Suite 202
Corona, CA 92879

Mon-Sat 8am-8pm


Let's Talk

Questions about our services or ready to schedule a consultation?

We would love to chat and know the value of a helping hand. Let us help you on your journey.

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