Meet The Team


Rachel Kittenbrink


Executive Director 

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.


James Miller


Clinical Director 

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. 


Chris Burke


Chris received his Masters of Education with a specialization in Autism from the University of Pittsburgh in 2010. He completed graduate-level ABA coursework from the Florida Institute of Technology and obtained his BCBA in 2018. Chris is also a Licensed Behavior Specialist, and prior to joining the PBS team he worked in community-based mental health for 13 years. During this time his focus was on supporting Masters Level clinicians, helping them to develop treatment, and improving the overall quality of care provided to young children with Autism and their families.  At PBS, his primary role is to support teachers, students, and families in a school-based setting. He remains dedicated to ensuring that children with special needs receive the highest quality instruction possible. He is also interested in increasing children's access to high-quality care through the use of digital technology.


Caitlin McMaster


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.


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. 


Lisa Burke 

M. Ed., LBS

Administrative Director

Lisa graduated from St. Vincent College with a Bachelor's degree in Psychology in 2005 and a Master's Degree in Child Psychology from Duquesne University in 2007. Prior to joining the PBS community she worked in community-based mental health for 15 years. During this time Lisa supported families in a wide range of capacities including direct service, clinical oversight,  administration, and management. She has a special interest in improving access to quality ABA services for children with Autism and other developmental disabilities. 


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.


Courtney Grondziowski

M.S., Family and Community Collaboration Coordinator 

ABA Instructor

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. 

image0 (6)_edited.jpg

Rachel LaMendola

B.S., ABA Instructor

Rachel is new to living in Pittsburgh after spending most of her life in Virginia Beach, Virginia. Her desire for assisting individuals with Autism began at a young age through volunteer efforts with her church’s special needs ministry. After realizing a growing need and passion, she directed her studies to help those in the field and attended Virginia Commonwealth University earning a degree in Psychology. During this time in her undergraduate career, she was introduced to the field of ABA and has been involved ever since. Rachel is now attending the University of Pittsburgh with plans to graduate in 2022 with a Master of Education in Applied Behavior Analysis.


Renee Tillman

B.S., ABA Instructor

Renee is from Pittsburgh, PA, and she graduated from Penn State Main with a degree in Psychology and Information Technology. She spent over two years working with adolescents with autism. After having her daughter, she discovered a passion for a younger population, and she have been been with PBS since July 2020.