Meet Our Staff

Our staff ranges from

BCBA-D to Center Assistants

BCBA-D – Board Certified Behavior Analyst-Doctorate


Dana is a doctorate-level Board Certified Behavior Analyst with a MA in ABA and Ph.D. in Special Education and over 25 years experience working with children with special needs. GBS is the cumulation of years of experience in the field. Throughout her experience, she gathered information on what not to do, as well as information on best practices for children with Autism. Dana created GBS to be a fun yet intensive therapeutic experience for children AND staff. She strives to keep GBS staff as the highest trained, and of the highest quality in Central PA. Under Dr. Garner’s guidance, GBS staff provide effective, innovative and efficient intensive therapy to young children with ASD.  Watching children make progress and parent feedback on generalization of skills at home are two of Dana’s favorite things about the Centers. 

Assistant Administrative Director / RBT


Tabitha is an Assistant Administrative Director and RBT. She has been with GBS since Dec 2019. When not working to enrich the lives of the clients at GBS, she enjoys spending time with her husband and children and tending to their many animals. Tabitha’s favorite thing about working with GBS clients is watching the clients acquire skills.

Behavior Consultant-ABA


Barb is a Licensed Behavior Specialist and one of our Behavior Consultants. Prior to joining GBS, she had over 30 years of experience working in Special Education. She enjoys hearing clients’ laughter and watching their growth in all their abilities. These things bring her the greatest joy.


Lisa is an BC-ABA, she has been working at GBS since August 2020. Lisa has been working with children with Autism providing a range of services in different settings since 2006.  Lisa has been to 6 countries, she loves traveling and is well rounded in her experiences! She enjoys being a part of GBS clients’ progress to achieving their goals, watching how proud they are is the most rewarding feeling.

RBT – Registered Behavioral Technicians

Danielle, Lead RBT

Danielle is a driven, dedicated employee here at GBS. She is bilingual and brings a flair to our work day!

Carissa, RBT

Carissa is a dedicated employee who seems to always bring the light into the room and makes the sunshine feel a little brighter.

Sarah, RBT

Sarah has been with GBS over 2 years. She has an art degree, and excels at developing therapeutic art/craft activities for the children. She is amazing with our younger population, and is studying to become a tattoo artist. We will be so sad to see her go, but so happy she is here to share her behavior modification skills with our team! She loves doing crafts for the GBS kids getting them to smile and have fun.

BHT – Behavioral Technician

Brenna, BHT

Amy, BHT

Sasha, BHT

Sydney, BHT

Raelene, BHT

Ashley, BHT

Office Team

Julie, Office Manager

Julie is our Office Manager, she started in July of 2019. Julie is young at heart and will never grow old! She loves to greet the beautiful faces every morning, it makes her day.

Kelly, HR Manager

Kelly joined GBS in 2022, and is assisting GBS with HR tasks. When not with GBS, she enjoys spending time with her spouse, children and pets.

Center Assistant


Kate is the Williamsport Center Assistant. Kate loves music, movies, and hanging out with her friends. She enjoys playing with all the kids at the Center


Alexis is the Lewisburg Center Assistant. She will soon be graduating high school, and hopefully joining the team as an RBT!!