About DIMENSIONS ABA

Julea Leiter, BCBA/LBA, Professional educator, started in the field of autism in 1991.  She became board certified as an assistant behavior analyst (BCaBA) in 2002 and in 2016 became a Board Certified Behavior Analyst (BCBA).  She graduated from Eastern Illinois in 1995 with a degree in early childhood special education, large emphasis in speech and language, and K-12 special education.  Julea has won several awards for being a teacher of the year in the school and district.  She worked as a regular education teacher, teacher at a school for children that were expelled from school, as a district level employee and as a special education teacher in the sixth largest school district in the country.  Julea graduated from University of Washington in 2016 with a master's degree in special education and applied behavior analysis.  Julea has been a Clinical Director, School District level Behavior Specialist, ESL teacher,  ABA technician, BCABA, Montessori teacher, Educational Director and a public school teacher for preschool, elementary, middle and high school students for both regular and special education classrooms.  Her passion is working with children and families.  Julea has also been nominated for a Golden Apple Achievement award as a teacher and received a teacher of the year award.  

Caitlin graduated from Washington State University with a B.S. in Psychology and minor in child development in 2014. She has been in the field of Applied Behavior Analysis since 2015, where she started out as a therapy assistant/behavior technician and worked to ultimately become a BCBA. She has an M.S. in Children & Young People's Mental Health & Psychological Practice from the University of Edinburgh, Scotland and an M.A. in Applied Behavior Analysis with an Emphasis in Autism Spectrum Disorders. She was been with Dimensions ABA for four years and plans to pursue a PhD in Clinical Psychology in the next few years.

Darlene received  her Bachelor of Arts and Master of Public Health from the University of  Hawaii.  She received her Master of Education in Applied Behavioral  Analysis from the University of Arizona.  She has enjoyed helping  children reach their fullest potential together with Julea Leiter for  the last 11 years.  Darlene also enjoys spending time with her family,  walking her dog and swimming.  Her oldest son is out of school and  serves his community as an Emergency Medical Technician.  Her younger  son will be starting college next year.

Sin Tim was born and raised in  Hong Kong, China. She has been living in the United States for the past  15 years. She earned a BA in music and sociology from the University of  Minnesota- Twin Cities. Since then, she has worked with children across  different settings for over 10 years and 5 years in the field of ABA.  Recently, she graduated from the University of Washington with a  master’s degree of special education in Applied Behavior Analysis. She  is currently pursuing the BCBA certification and toward becoming a BCBA.   Sin Tim has been with Dimensions ABA for over 2 years.

Jieyang was born in China and came to the U.S. to pursue her dream of a higher education. She graduated from Indiana University-Bloomington with a B.A.  degree in Psychology and a minor in Sociology. She developed a passion  for working with children after graduating from college. Jieyang now holds an M.Ed degree from the University of Washington in Applied Behavior Analysis and is a BCBA and an LBA.  Jieyang is fluent in Mandarin and has worked in homes, clinic and at school.

Joshua grew up in Castle Rock, Colorado.  He has been working in the field of ABA since 2019.  Joshua obtained a master's degree in Special Education with a concentration in ABA from Arizona State university.  Joshua is currently a LABA in the state of Washington and working towards becoming  Board-Certified in Applied Behavior Analysis.  In his free time, he enjoys science, basketball and anything car related.

Siyi was born in China and earned a BS in Applied Psychology from Beijing  Normal University Zhuhai. She has worked with children across different  settings since 2016 and specifically with individuals with special needs  since 2022. Siyi was a member of the Intensive Intervention Lab, focusing on data  analysis. She now holds an M.Ed. degree from Vanderbilt University in  Special Education and Applied Behavior Analysis. Siyi is certified as a CBT, RBT, and LaBA, and is currently working towards  her BCBA. She is fluent in Mandarin and has experience working in  clinics, homes, and schools.

Carson is a Registered Behavior Technician with a bachelors in Special Education  adept in observing, assessing, and implementing research-based  strategies for children with Autism and related developmental  disabilities. She is an empathetic team player searching for the opportunity to  create lasting change for client success and elevate family  satisfaction.  She is currently attending the University of Washington to gain her Master's degree in ABA.