Meet The Team

Rachel Kittenbrink


Director of Pittsburgh Behavioral Services 

Dr. Kittenbrink received her master’s degree in Special Education from Vanderbilt University and Ph.D. in Special Education from The University of Pittsburgh. Recently, Dr. Kittenbrink served as an educational consultant and behavior analyst with the PaTTAN Autism Initiative and as an adjunct professor for the University of Pittsburgh, teaching courses in special education and applied behavior analysis. Her research interests include peer-to-peer mand training and peer support programs. Kittenbrink has served as an editorial reviewer for RPSD, and has developed a passion for serving diverse populations through almost 20 years of experience in direct care, administrative, teaching, and consultative roles.

Kittenbrink's various experiences have allowed her to work with a wide range of ages (birth through adulthood) and supporting a wide array of learning needs (individuals with autism, learning disabilities, intellectual disabilities, and emotional disorders). Kittenbrink serves as a volunteer coordinator for the One-to-One Special Needs Ministry at Allegheny Center Alliance Church and provides consultation, training, and professional development services to the South East Asia Prayer Center for The Chinese American International Cooperation Training for Children with Autism project.

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James Miller


Supervisor of Pittsburgh Behavioral Services 

Jim received his master’s degree in Education from Arizona State University. Before joining PBS in June of 2018, Jim worked as a behavioral analyst and administrator at a private school for students with autism. In addition to working with learners, Jim has a passion for employee training and development. 


Abigail Schifano


Abbey received her Master of Arts in Elementary Education and Special Education, as well as a Bachelor of Multi-Disciplinary Studies from West Virginia University. She also received her BCBA in November of 2017. Abbey has always had a passion for working with children diagnosed with Autism. She started working with children diagnosed with Autism in high school, and after receiving her degree, began teaching and directly servicing students. Abbey has been employed in several classrooms that participated in the PaTTAN Autism Initiative teaching students various skills ranging from language skills to daily living skills. Abbey has been a team member of PBS since July of 2017. Aside from teaching and servicing children directly, her passion is to help families in any way possible. 

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Brittney Egan

M.Ed., ABA Instructor 

Brittney attended Gettysburg college and earned her bachelor’s degree in Music in 2012.  She earned her M.Ed in Early Intervention with Autism Specialization and Applied Behavior Analysis at the University of Pittsburgh in 2019.  Prior to moving to Pittsburgh in 2016, Brittney worked as a Lead Preschool Teacher in the Washington, D.C. area and has over 10 years of experience working directly with children with autism spectrum disorder.  She hopes to use her past experiences, education and training to help the families and children she works with at PBS!


Caitlin McMaster

M.Ed., ABA Instructor

Caitlin has a Master’s Degree in Education from The University of Pittsburgh.  She began her career in Denver, Colorado as a Special Education Teacher within an alternative school.  In this setting, she worked with students with various social, emotional, and cognitive disabilities. Caitlin moved back to Pittsburgh to focus her career within the field of ABA.  She joined PBS in August 2019, and is currently studying for the BCBA exam. 


Cody Webb


Cody Webb attended Robert Morris University and earned his bachelor’s degree in psychology in 2011. He then completed a Master’s program through Arizona State University in Curriculum and Instruction with a focus in Applied Behavior Analysis in 2014. He has worked in the field of special education since 2009, in both face to face and cyber school settings. In 2017, Cody passed the board exam to receive his BCBA. 

Cody and his wife, Ashley, live in Pittsburgh with their dog, Rory. He enjoys going camping and playing basketball during his free time. He’s also looking forward to continue learning and growing from the individuals he works with and his experiences in the field. Cody is happy that he has the opportunity to help others to improve and develop new skills on a daily basis.

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Hannah Shirey 

M.Ed., ABA Instructor

Hannah began working as a behavioral therapist at the Kristin Farmer Autism Center in 2013, and in 2015, she graduated with a B.A. in Speech and Hearing Sciences at the University of North Texas. She moved to Pittsburgh in 2016 to pursue her educational and career goals in the field of ABA. In 2020, she graduated from the University of Pittsburgh with a Masters of Education in Early Intervention and ABA. She began working at PBS in August 2018, and she is looking forward to growing as a behavior technician through her experience gained with the incredible staff here.

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Kaity Slack-Hanna


Kaity received her bachelor’s degree in Psychology from West Virginia Wesleyan College and her master’s degree in Education in Applied Behavior Analysis from The University of Pittsburgh. She began her career working at a private clinic in West Virginia, where she discovered her passion for serving children with developmental and intellectual disabilities and their families. 


Courtney Grondziowski

M.S., Family and Community Collaboration Coordinator

Courtney joined PBS as the Family and Community Collaboration Coordinator in October 2020. She received her bachelor's degree in psychology from Saint Vincent College in 2015. In 2019, she graduated from the University of Pittsburgh with a Master of Science in Applied Developmental Psychology. At PBS, she serves as a liaison between PBS, the Allegheny Center Alliance Church ministries, organizational partnerships, and the Northside community as a whole. Her mission in the field is to promote and expand equitable access to quality ABA services in neurodiverse communities. 


Lydia Diehl

B.S., ABA Instructor

Lydia received her bachelor’s degree from the University of Pittsburgh in 2020 in Natural Science with a concentration in Psychology. She has several experiences working with children from doing a great deal of research in an Early Social Development Lab at the University of Pittsburgh and has worked at The Western Psychiatric Institute and Clinic working on the child and adolescent inpatient unit as a Milieu Therapist. She is currently enrolled in the University of Pittsburgh’s Master’s in Applied Behavioral Analysis program and will graduate in 2021. She looks forward to helping PBS grow and continue helping children throughout her career.

250 East Ohio St., Pittsburgh, PA 15212

412-329-8385 (Intakes/Insurance)

724-393-0093 (Clinic)