Meet Our Team!

Patricia Espinoza, B.S., Behavior Therapist

Patricia Espinoza became a Registered Behavior Technician in 2018 and has being working as a behavior therapist since 2016 providing services within home, clinic and school settings. Patricia received her bachelors of science in Psychology from Venezuela in 2013. She is pursuing a Masters Degree in Psychology majoring in Mental health Counseling from Albizu University. She is bilingual in English and Spanish and has worked as an RBT with Gomez Behavior Services since 2019.

Isis Casillas, M.A., RBT

Isis Casillas is a Registered Behavior Technician with a hard working and loving attitude. Isis has provided services within the school and clinic settings.   She received her Bachelor's degree from Florida International University in Psychology in 2013.  Isis then pursued a Masters Degree Program in Social Work from FIU in 2017.  She is bilingual in Spanish and English and has worked as an behavior therapist with Gomez Behavior Services since 2015. 

Alana Usategui, M.S., BCBA

​Board Certified Behavior Analyst

Alana became interested in ABA when her younger twin brothers were diagnosed with Autism and she saw first-hand the success of a well implemented ABA program. Alana has been working with children with specials needs for over ten years as a former teacher, camp counselor, RBT and now, as a BCBA.

Alana received a double bachelors degree in psychology as well as special education and obtained her masters in Applied Behavior Analysis through Nova Southeastern University.

Alana's personal background and her background in a variety of special education settings gives her a unique approach in not only how she personally tailors programs for her clients, but as well as how she relates to the staff she works with and the families she serves.

Gabriela Gomez Riveron, M.A., BCBA

​Founder/ Co-Owner 

Gabriela Gomez Riveron, "Gaby Gomez", is a Board Certified Behavior Analyst.  She is the owner of Gomez Behavior Services, serving families with children on the autism spectrum (ASD) since 2004.  Gaby began working with children with ASD in 1998 as she was completing her bachelor's degree in Psychology from Florida International University. She then went on to pursue a master's degree in the field of Applied Behavior Analysis, which she received from the University of Nevada, Reno. She has been a Board Certified Behavior Analyst since 2004.  Gaby has focused on helping improve children's lives using ABA methods, specializing in early intervention for over 19 years. She has worked with a wide range of children with varying special needs as well as typical children with behavior problems.


Alexander Aspuru, B.A., Behavior Therapist

​Alexander Aspuru is a Registered Behavior Technician and has been working in the fields of ABA and ASD research since 2018. Alexander earned his bachelor of arts in Global Studies from the University of North Carolina at Chapel Hill. During his undergraduate education, Alexander gained experience in administering ABA therapy in clinical settings. He has also assisted in multiple research studies, conducted by UNC Chapel Hill and King’s College London, examining behavior changes over time in toddlers and youth on the autism spectrum. He is committed to helping his clients develop effective skill sets and to maintaining open communication with parents on their children’s progress.





Nicolette Sas, B.A.S, Behavior Therapist

​Nicolette received her BAS in Healthcare Administration. Nicolette began working in the field of special needs in 2017. Nicolette coordinated speech services for over 5,000 school aged children in the city of New York, and neighboring boroughs, advocating for children with special needs in receiving their services. Nicolette developed a strong interest in ABA Therapy after observing sessions with clients diagnosed with ASD at the speech clinic. Nicolette has been practicing as a Registered Behavior Technician since 2018 and is currently pursuing her MBA in Healthcare. 


9415 SW 72nd Street, Miami, FL 33173
305-662-6448

Board Certified Behavior analyst

Khadija Smith, B.A., Behavior Therapist

Khadija Smith is a Registered Behavior Technician from Seattle, Washington. She has a dedicated and loving attitude focused on impacting the lives of children. Khadija has provided services within the clinic setting and schools. She has also taught English in an international preschool and tutoring programs in Japan where she lived abroad for 3 years. In 2018 she received her bachelor's from the University of Washington with a degree in social sciences. She is bilingual in English and Japanese. 

Joyce Fraga, B.A., Behavior Therapist

​Joyce Fraga is a Registered Behavior Technician and has been practicing for the past 2 years. In April 2019, she obtained her Bachelor’s degree in psychology specializing in ABA at Florida International University. Joyce has worked alongside children throughout her studies in schools and clinic settings. Her passion is to help children with autism and disabilities by filling in the gap by teaching skills that will enhance their quality of life. She plans on continuing  her education in Applied Behavior Analysis by beginning graduate school in January 2020. 





Cristina Lopez, M.S., BCBA

​Board Certified Behavior Analyst

Cristina Lopez attended the University of North Florida where she stumbled upon a behavior modification class during her undergraduate coursework and was immediately enamored. Cristina completed a year long practicum at a clinic based practice in Jacksonville, Florida, where she completed coursework for her Registered Behavior Technician certification. In 2016, Cristina returned to Miami and began working for Gomez Behavior Services as an RBT, where under Priscilla and Gaby's mentorship, she began her graduate program in Applied Behavior Analysis. Cristina graduated from Ball State University in 2017 and passed her Board Certification in 2018. 

Behavior Therapist's

Lisa Heiblum, B.A., MSW

​Lisa Heiblum is a Certified Professional Life Coach with a Masters Degree in Social Work. She received her undergraduate degree from the University of Florida and her Masters degree from Indiana University. Lisa grew up with a sister with special needs and had first-hand experience in the application of behavioral techniques. Lisa has dedicated her life to directly working with children, teens and adults to improve their lives, helping them recognize their own value and reaching their goals. In addition to working with individuals, she has directed multiple youth group organizations and summer camp programs.  





Priscilla Deal Rossi,  M.S., BCBA

​Co-Owner/Clinical Supervisor

Priscilla Deal is co-owner and clinical supervisor of Gomez Behavior Services.  She has specialized in treating children with severe food refusal since 2006. She received her training in feeding treatments from the Kennedy Krieger Institute. In 2012, Priscilla received her master's degree in Applied Behavior Analysis and Autism from Sage Graduate School. Shortly after, she became certified as a Board Certified Behavior Analyst. 


For the past 12 years, she has provided applied behavior analysis services to children in the Miami area. Priscilla has focused on making Miami the BEST city a child with autism can live. She continues to pursue this goal through her free community programs and her free tips on social media. She is founder of two free community programs in Miami: Snips for Autism and Smiles for Autism.

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