Who we are

We are happy to know you are happy

About our team

About Our Team 1

Lilyan Campbell


Clinical Director/CEO

Lilyan, the founder of ABA Works, is a licensed Marriage and Family Therapist, and a Board Certified Behavior Analyst. Lilyan has 20+ years of experience working with individuals, couples, and families in both Europe and the United States.  She is a committed mother of two beautiful sons. Her dedication and passion shine through as she motivates clients and her whole team to accomplish goals, to be determined, and to be committed to growth.

(888) 286-8715 ext 1


About Our Team 2

Tosha Hayes



Tosha received her Bachelor’s degree in Child and Adolescent Studies and Master’s degree in Marriage and Family Therapy from California State University Fullerton. In addition, she also completed ABA Graduate Coursework from the University of North Texas after being introduced to ABA and working as a behavior therapist during the course of her Master’s Program. She became a BCBA in 2007 and has had the pleasure of serving the special needs community for the past 17 years as a Behavior Therapist, Lead Therapist, Supervisor, Director, and recently added Mother of twins with special needs. She has had the opportunity to work in the home, schools, clinic, and most recently telehealth.


Annie Casao


Assistant Clinical Manager

Annie Casao received her Bachelors Degree in Psychology from California State University of Long Beach in 2007. She was introduced to the science of Applied Behavior Analysis in 2010 and began working as a Behavior Interventionist. In 2017, she completed her Masters Degree in Applied Behavior Analysis through National University and became a Board Certified Behavior Analyst (BCBA) in 2019. Annie’s innovative personality has contributed to implementing strategic plans to increase productivity and help clients achieve lasting behavior change. 

(888) 286-8715 ext 8


Amber Moore


Senior Program Supervisor

Amber Moore began working in the field of ABA in 2014 while earning her bachelor in social work, which she completed in 2015 at San Diego State University. She immediately fell in love with the field and empowering her clients and families with the tools they needed to achieve their goals. She decided to pursue her masters in ABA at National University which she completed in 2019.  Amber is currently working towards becoming a BCBA and wants to train others that are interested in working in the field of ABA.

(888) 286-8715 ext 11


Brian Pena

M.Ed., RBT

(888) 286-8715 ext 4


Program Supervisor

Brian Pena began working in the field of ABA as a behavior technician in 2015. Since then, he has accumulated experience while working with diverse minority populations and is passionate about helping clients and families develop ABA skills. Brian completed his Masters in Educational Technology degree at California State University, Fullerton, and is currently enrolled in ABA coursework at Brandman University. Brian is an aspiring BCBA and wants to develop his skills further to continue helping families and others interested in the field.

(888) 286-8715 ext 10




Program Supervisor

Marissa Villa began working in the field of ABA as a Behavior Technician in 2017 after graduating from California State University Channel Islands with a BA in Psychology and a Minor in Anthropology. Shortly thereafter, she fell in love with the field of ABA and being able to make a lasting impact with those she worked with, ranging from infants as young as 7 months to adults. In November 2019, Marissa completed her Masters of Science in Applied Behavior Analysis from National University and became a Qualified Autism Services Practitioner-Supervisor (QASP-S) in January 2020. Currently, Marissa is working towards becoming a Board Certified Behavior Analyst. 

(888) 286-8715 ext 12


Justin oh


Program Supervisor

Justin began his career pursuing his passion for teaching in the special education field for elementary and middle school aged students. While completing his Bachelor’s Degree in Child Development at California State University, Fullerton, Justin was introduced to the field of Applied Behavior Analysis by a colleague. Justin then began his career in Applied Behavior Analysis by completing his Master’s Degree in ABA at National University in 2017. Justin is currently working to complete his supervision hours to become a Board Certified Behavior Analyst. 


 (888) 286-8715 ext 7






Tiffany Taylor

General Manager

Tiffany Taylor is the General Manager at ABA Works. Tiffany has been a dedicated member of the ABA Works team since 2015. She comes from a healthcare background with certifications as both a CNA and Medical Assistant and 8+ years of clerical/administrative experience in both California and Nevada. 

(888) 286-8715 ext 2


Amanda Barrera

Front Office Coordinator/ HR Assistant

Amanda Barrera has 7+ years of experience working as a Scheduling Coordinator and joined our team at the beginning of 2019. With expertise in administrative work, she felt her skills would be more personally fulfilling when applied to a company that was making a difference in peoples’ lives. After learning about ABA Therapy from family members who had their children starting services, she found ABA Works and found it to be a perfect fit! She loves to see the positive changes we as a team make for our clients every day!

(888) 286-8715 ext 6