Meet Our Team
The IABA team is made up of certified professionals who are dedicated to fulfilling our mission of ensuring learning for all of the individuals we serve.

Jessie Topalov
CEO, Owner, BCBA

Katie Fasan
Clinical Director South Side

Katlyn McGinnis
Clinical Director Northside, Naperville

Kristen Cooperkline
Systems and Communication Supervisor

Terri McIlrath
Billing Supervisor

Annie Wesselhoff
Employee Advocate

Taylor England
Scheduler

Ken Shontz
Clinical Supervisor Adult Services

Allaina Douglas
Clinical Supervisor Northside, Naperville

Lucy Rojas
Clinical Supervisor

Michelle Fazekas
Clinical Supervisor

Holly Diaz
BCBA Adults

Betsy Jauregui
Program Manager

Melissa Macias
BCBA Adults

Toshi Szpyra
BCBA Adults

Chelsea Aburroman
Program Manager

Nicole Keene
Billing Specialist

Jazmin Aguilar
Intakes Supervisor

Jenni To
LRT Supervisor