Our Staff

Allison Peele, BA

Registered Behavior Technician

Ali has a BA in Human Services with a minor in Psychology from Montreat College and is currently working towards her Master of Education degree in ABA through Texas Tech University. She has been an RBT for five years, three of them with Wall. Ali has a daughter named Millie and a dog named Tiki!

Callie Via

Billing Specialist

Coby Kingery, AA

Behavior Technician

Coby is from Botetourt County, Virginia. He has an Associate’s Degree in Human Services and Social Sciences and is in the process of completing a Bachelor degree of Social Work from Campbellsville University. Coby has formal experience as the Behavior Specialist at a local preschool and informal experience working with a close family member who was diagnosed with Autism Spectrum Disorder.  He is dedicated to working with children and being a voice for them as they are among the most vulnerable populations. Outside of work, he is passionate about his family, his church, anime, and all things hockey!

Grace Reeves

Behavior Technician

Haley Sawyers-Hieatt

Behavior Technician

Haley Sawyers-Hieatt is originally from Tazewell, VA. She moved to Christiansburg in 2021 to be closer to family. Haley has been in this field for a little over a year and absolutely adores her job. Getting to see these kids progress and master skills is so rewarding. Outside of work, she is a full-time mom to the sweetest and sassiest young child, and 2 pets: Precious (bearded dragon) and Minnie (dog). She also enjoys reading, fishing, and spending time with her family.  

Heather Cromer, MS, BCBA, LBA

Director of Clinical and Therapeutic Consultation - Statewide

Heather is a graduate of Radford University, holding her bachelor’s and master’s degrees in Special Education. She is a licensed, Board-Certified Behavior Analyst (BCBA). With over 12 years of experience supporting people with disabilities who experience extensive behavioral support needs.  Additionally, she is a Nationally Board-Certified Teacher of Exceptional Needs and holds a certificate of Autism Studies.  Heather oversees the Wall Residences Behavior Team across the state and is responsible for the training and supervision of Behavior Specialists and Registered Behavior Technicians.  Heather is a member of the Quality Assurance Team, ensuring Therapeutic Consultation services are delivered with best-practice standards.  Heather is also available to provide therapeutic consultation services for individuals with significant behavioral support needs in the Roanoke/NRV and SWVA regions.

Jasmine Hengeli

Registered Behavior Technician

Jessica Brown

Behavior Technician

Jess is from Southwest Virginia. Her first job out of college was in ABA and she absolutely fell in love. She has been in the field now for almost 4 years and is currently finishing a graduate degree in Applied Behavior Analysis at Purdue University. She has worked in many settings and environments, such as clinic based, in-home, community, and school-based. She believes in compassionate ABA, through natural environment teaching, mutual respect, and a trusting relationship. Outside of work you can find Jess watching true crime with her fur babies (Jojo & Jemma) or playing card/board games with friends.

Kasey Thornton, MS, CCC-SLP

Speech Language Pathologist

Kasey is a Speech Language Pathologist (SLP) working with individuals with a variety of communication needs. While she was working on her SLP degree, she worked as a behavior therapist with Wall. Prior to becoming a SLP, she received a Master’s degree in Early Childhood Education and worked as an elementary school teacher. Additionally, she has taken some courses in special education. Kasey is excited about providing therapy to individuals to support them with strategies and improving functional communication skills to help improve their quality of life. When she is not at work she spends time with her husband , daughter, and family.