Our Team

Alexia Stack, M.Ed., BCBA

Behavior Analyst & Clinical Supervisor
Alexia resides in the breathtaking community of North Vancouver, British Columbia, with her growing family, where she enjoys road cycling, mountain biking, skiing, backpacking, travelling, surfing, painting, and writing. Alexia is a Board Certified Behavior Analyst (BCBA) with over 17 years of experience working with toddlers, children, teens, and adults with Autism Spectrum Disorder (ASD). She received her Bachelor of Arts in Psychology from Simon Fraser University (SFU) in 2001, and her Master of Education from the University of British Columbia (UBC) in 2006. Her graduate coursework concentrated on the study of Autism and developmental disabilities.

Alexia is Clinical Director of A Block Above Behavioral Consulting. Alexia maintains a moderately sized caseload, allowing her to have direct contact with her own clients. Additionally, she provides supervision and training to a team of behavior consultants, whose aims are to become Board Certified Behavior Analysts. Alexia has a varied knowledge base of behavior analytic techniques including: Precision Teaching (PT), teaching to fluency, Direct Instruction (DI), Verbal Behavior (VB), Natural Environment Teaching (NET), Incidental Teaching, and Discrete Trial Teaching (DTT). Alexia is a PEERS certified instructor, and runs sessions with colleagues in her community.

Alexia is a sessional instructor at the University of British Columbia, and Capilano University, where she teaches courses in the department of Applied Behavior Analysis (ABA) and Special Education. She teaches courses in principles of ABA and the education of individuals on the Autism Spectrum. She has developed a research interest in the study of the treatment of trauma in children with Autism, and plans to expand her education and training in this area of study in the near future. Although Alexia works with a wide range of clients between the ages of 18 months and 40 years, she has developed a specialization in teaching pragmatic language and social skills, academics, emotion regulation to children and youth, and has expanded her skills to include programming for adults with ASD.

Alexia maintains ongoing membership with the Association for Behavior Analysis International (ABAI), the Standard Celeration Society, and the British Columbia Association for Behavior Analysis (BC-ABA).

Alexia regularly presents her applied work at the Annual Convention for Applied Behavior Analysis, and has developed and presented workshops for parents, professionals, and schools in British Columbia. Alexia continues her education by attending conferences and workshops annually, locally and internationally.

Andrea Schneider, BCR., BCaBA

Junior Consultant & Program Manager
Andrea has been interested in Autism Spectrum Disorders (ASD) and developmental disabilities from a very young age. As a teenager, Andrea provided respite care and 1:1 support in summer camps to her cousin who is an individual with ASD. Over the years, Andrea recognized her intense passion for teaching, and her love of educating others about ASD. Andrea began to pursue formal education in the field of Applied Behavior Analysis (ABA) in 2008.

Since joining the A Block Above Behavioral Consulting team in 2009, Andrea has completed a Bachelor of Community Rehabilitation and Disability online through the University of Calgary. Currently, Andrea is working toward completing a Masters of Education in Special Education with a concentration in Autism and Developmental Disabilities at the University of British Columbia. Andrea attends local and international conferences, and has ongoing memberships with the British Columbia Association for Behavior Analysis (BC-ABA), the Association for Behavior Analysis International (ABAI), and the Standard Celeration Society.

Andrea is a Board Certified assistant Behavior Analyst (BCaBA) at A Block Above Behavioral Consulting where she works as a Junior Consultant and Program Manager. She has experience working with many different learners, ranging in age from toddlerhood to adulthood. Andrea has worked with these individuals across diverse home, community, and vocational settings. Additionally, Andrea has experience providing 1:1 support to students from preschool through high school.

Andrea has experience implementing a variety of interventions, including Natural Environment Teaching, Fluency Based Instruction, Verbal Behavior, and Direct Instruction, and the PEERS curriculum. Andrea is particularly interested in supporting individuals across the lifespan in terms of planning and transitioning to adulthood.

Outside of work, Andrea enjoys spending time with friends and family, playing soccer, road cycling, playing in community dodgeball leagues, camping, hiking, and travelling.

Sam Wong, B.SC

Lead Behavior Interventionist

Samantha joined the team in May 2018 as a behavioral interventionist. She has a behavioral neuroscience background and has recently received a Bachelor of Science degree in this discipline from the University of British Columbia. Throughout her degree, Samantha has conducted academic research in abnormal psychology and cognitive neuroscience. Recently, she also completed a research project on inclusive education in British Columbia focusing on the needs of students on the autism spectrum with a team of four.

Her experience with children includes volunteering in inner-city in-school projects through the UBC Reading Week Project and Writers' Exchange. She has also worked in a summer camp for the summer of 2017. Currently, she is focusing on working with children on the autism spectrum with age ranging from 2 to 10.

Samantha is aspiring to pursue graduate studies in school psychology and conducting academic research in the area of Autism Spectrum Disorder.

Outside of work, Samantha enjoys spending time with friends and family, going to the beach, watching Netflix, and going out for brunch.


Diane Nguyen B.SC

Lead Behavior Interventionist
Diane studied Neuroscience and Physiology during her undergraduate degree at the University of British Columbia, and has always been passionate about working with individuals with additional needs. This led her to supplement her degree with coursework that taught her the importance of early intervention, how stimulating environments can aid in development, and how to document behaviours in early childhood settings. 
 
In the last 5 years, she has had the opportunity to apply her theoretical knowledge through facilitating recreational programming for children and teenagers with autism, and later shadowing multidisciplinary teams working towards community rehabilitation for children on the spectrum and individuals facing the lasting effects of Agent Orange exposure in Vietnam. 
 
In search of an opportunity to gain more hands-on experience in supporting individuals with additional needs, Diane became a behaviour interventionist with A Block Above in 2018. She is thrilled to continue developing her skills, and always looks forward to seeing what each day on the job brings. 
 
On the weekends, she spends her time drawing, singing, exploring fitness classes around Vancouver, and browsing movies at Black Dog Video.
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