Samantha Angelas
Regional Vice President of Operations
MSC, Behavior Psychology (BA) and School Counseling (MA); over 10 years in the autism community, former independent ABA provider and inclusion-classroom counselor.
Executive Team
Stephanie Crawford
Director of Inclusion and Outreach
OSU graduate in Speech and Hearing Science; 14 years in special education; joined TLS in 2016.
Elizabeth Fonzi
Director of Clinical Therapies
M.A., CCC-SLP; licensed speech-language pathologist with 14 years of practice; joined TLS Central in 2018, became Director of Clinical Services in 2024.
Natalie Lindsay
Director of Education - North East
15 years in education; Bachelor's in Human Services and Child and Family Studies from Ohio University; taught kindergarten at the Johnstown location before becoming Education and Behavior Advisor.
Mary Berkey
Director of Staff and Family Development - North East
MA, BCBA, COBA; joined TLS in 2018 and held several ABA department roles before becoming Director.
Allyson Ferrin
Director of Education - Central
Trevor Stewart
Director of Staff and Family Development - Central
Joined TLS in 2015 in the inclusion department; RBT and CPI instructor; completed the TLS Leader Development Program (2022-2023).
Sarah Johnson
Director of Education - South
MOT, OTR/L; board-certified, state-licensed occupational therapist; joined TLS therapy team in 2015.
Brad Tarbutton
Director of Staff and Family Development - South
M.A. in Applied Behavior Analysis from Ball State University; a decade of experience across clinical, educational, and home-based disability services.