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Meet Our Team

Ashley Mestre, M.S., BCBA

Director & Founder

Ashley Mestre is a Board Certified Behavior Analyst and the Director and Founder of Mestre Behavior Development, LLC.She received her Master of Science degree in Psychology, with a concentration in Behavior Analysis, from Florida International University. Ashley first began working with children diagnosed with Autism Spectrum Disorder in 2000 and has since worked with children exhibiting various diagnoses as well as typically developing children with behavior challenges. She opened her private practice and Early Intervention clinic in 2009.

Specializing in early intervention, Ashley focuses on the development, implementation and supervision of Verbal Behavior Programs for children. Her goal is to increase language/communication, appropriate play skills, self-help skills and social skills, while decreasing problem behavior. She also assists parents with parent training programs in their homes and provides consultation services to other agencies and providers. Ashley has successfully implemented feeding programs for many children with limited food intake and helped many parents through the toilet training process.


Ashley regularly attends trainings and workshops to maintain knowledge of current research in her field and changes in ABA teaching procedures. She is a member of the Association for Behavior Analysis International (ABAI), Florida Association for Behavior Analysis (FABA), and the Association of Professional Behavior Analysts (APBA).

Angelica "Angie" Perez, M.S., BCBA

Clinical Director, Miami, FL

Angelica is a Board Certified Behavior Analyst. In 2014, she received a Master of Science degree in Psychology with a specialization in Behavior Analysis from Florida International University (FIU).   Angelica first had the opportunity of working directly with children on the autism spectrum in 2008. Since then, she has also worked with children diagnosed with related disorders. Angelica has worked with families of various ethnicities and backgrounds, in clinical settings, family homes and schools.  


As a BCBA, her experience includes the development, supervision and implementation of verbal behavior programs as well as conducting parent trainings, effectively implementing intensive toilet training programs, and developing feeding programs for children with limited diets due to sensory issues or behavioral concerns.  


Angelica's goal is to significantly improve the lives of every single child she works with by increasing their language/communication skills as well as social and self-help skills, while decreasing their problem behaviors. She regularly attends workshops and trainings in order to maintain current knowledge in the field. Angelica has earned her CPR/AED certification through the American Heart Association's Heart-Saver First Aid Program and is also a Professional Crisis Management Instructor (PCM).

Lina Ferrera, M.A., BCBA

Board Certified Behavior Analyst

Lina is a Board Certified Behavior Analyst (BCBA) who earned her bachelor of Fine Arts degree from the University of Florida. She completed her Master of Arts in Development Disabilities with an emphasis in Applied Behavior Analysis (ABA) from Nova Southeastern University.


Lina’s passion for working with children with special needs began while working with Youth Arts Enrichment (YEP) Grants Program in the Miami-Dade County School District. She helped various children with autism and related disabilities with their therapeutic dance and movement program. Furthermore, she received her certification in Autism Movement Therapy.


Lina specializes in the development, implementation, and supervision verbal behavior programs. She focuses on teaching and supervising the implementation of language, academic, social and play skills, as well as functional living skills. In addition, she conducts parent and therapist training with the utilization of behavioral analytical principles and effectively implements toilet training programs. Lina is fluent in English and Spanish.


Lina maintains her knowledge and strengthens her skills by regularly attending workshops and conferences as well as keeping up with the latest research. She is a member of the Florida Association of Behavior Analysis.

Wendy Guillen, M.S., BCBA

Board Certified Behavior Analyst

Wendy is a Board Certified Behavior Analyst (BCBA). She earned her Bachelor of Arts degree in Psychology with a concentration in Behavior Analysis at Florida International University in 2011. She than continued her education at NOVA Southeastern University where she acquired a Masters in Science degree with a concentration in advanced Behavior Analysis in 2016.

Since 2011, Wendy has worked with children diagnosed with autism. As a verbal behavior therapist, her experience included implementing individualized verbal behavior programs to increase language skills, academic skills, functional living and social skills. Additionally, she has experience implementing feeding programs and toilet training procedures. As BCBA, Wendy’s goals are to continue to increase skills needed based on each individual client need while decreasing problem behaviors using principles of behavior analysis. Her experience as a BCBA includes the development, supervision, and implementation of verbal behavior programs in the clinical environment, homes, and schools.


Wendy stays updated with the latest Applied Behavior Analysis (ABA) research by attending Continuing Education seminars (CEU’s) and reading recent peer reviewed articles.  Through CEU’s and reading, she gains knowledge on how to better serve each individual child’s specific needs.  She has also earned a CPR/AED certification through the American Heart Association's Heart-Saver First Aid Program. 

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Meet the Team



(T) (305) 668-8644 

(F) (305) 668-6010 



11060 SW 88th Street 

Miami, FL 33176


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