Our Staff

Instructional ABA is made up of highly-trained professionals ready to suit your needs!

Jessie Topalov
Jessie Topalov
Executive Director and BCBA
Vinh Dang
Vinh Dang
Clinical Manager & BCBA
Kasey Mills
Kasey Mills
BCBA
Ken Shontz
Ken Shontz
BCBA
Mia Baldacci
Mia Baldacci
BCBA
Katlyn McGinnis
Katlyn McGinnis
BCBA
Holly Diaz
Holly Diaz
Program Manager
Katie Fasan
Katie Fasan
BCBA
Jackie Scarpaci
Jackie Scarpaci
BCBA
Hitomi Wada
Hitomi Wada
BCBA
Christina Pacholik
Christina Pacholik
Program Manager
Mike Sowa
Mike Sowa
BCBA
Sarah Krusinski
Sarah Krusinski
Program Manager
Benita Anderson
Benita Anderson
Billing Specialist
Terri MciIlrath
Terri MciIlrath
Administrative Assistant and Billing Support
Jessie Topalov

Jessie Topalov

Executive Director and BCBA

The founder, owner and executive director of Instructional ABA Consultants is Jessie Topalov, who is also a Board Certified Behavior Analyst (BCBA). Jessie has over 11 years of experience working with the disability community and she also has 9 years of experience in the field of applied behavior analysis. She was a wide range of expertise including, behavior reduction for high intensity behaviors, functional communication training, skill acquisition programming, teaching vocal-verbal behavior to non-verbal individuals, toilet training, and extensive knowledge in Organizational Behavior Management (OBM).

Additionally, Jessie has worked across ability levels serving individuals with autism, intellectual disabilities and chronic mental illness. Jessie has provided services to clients as young as 18 months, all the way to 70 years old. She founded Instructional ABA Consultants in June of 2012 with one core belief: every individual with a disability has the right to effective treatment regardless of their funding source.

Jessie has succeeded in creating an innovative community that reinforces effective ABA services across funding sources. She has learned that quality services come from quality staff focusing on enriching the lives of both the staff that support IABA and the individuals IABA supports. It is with great pleasure Jessie is able to oversee Instructional ABA Consultants. It is her life mission to bring quality ABA services to the underserved and to live in a world where having a disability does not mean to be disadvantaged. In her spare time Jessie enjoys spending time with her wonderful husband, two boxers, and their family.

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Vinh Dang

Vinh Dang

Clinical Manager & BCBA

Vinh Dang attended the School of Professional Psychology and had a specialization in Applied Behavior Analysis. Vinh became a Board Certified Behavior Analyst in 2009, and since then, he has worked with young autistic children, providing In-Home ABA Therapy. Vinh also worked with teenagers with developmental disabilities and Emotional Behavioral Disorders.

In addition, Vinh also worked with adults with physical and developmental disabilities and mental illnesses, providing ABA services and staff training in group homes and day programs. Vinh enjoys the opportunities to apply the Science of Behavior to his work with the wide range of age groups. When not working, Vinh enjoys spending time chasing and keeping up with his 1 year old son.

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Kasey Mills

Kasey Mills

BCBA

Kasey Mills is Board Certified Behavior Analyst (BCBA) for IABA and has been practicing since 2015. Her earliest memory of wanting to work in behavior analysis comes from her experiences coaching Special Olympics swimming in high school. Kasey has always enjoyed understanding why people act the way they do and helping find ways to target skill building and decreasing maladaptive behavior. This interest propelled her into an undergraduate degree in Special Education at Loyola University of Chicago.

Her first job was teaching 17-22 year old individuals with autism in a therapeutic day school, followed by a career supporting college-aged individuals with disabilities as Academic Coordinator of an independent living program in Austin, TX. She continued her education in the field of Special Education and Behavioral Science, receiving a Masters of Education in Autism and Developmental Disabilities from the University of Texas at Austin. Upon moving back to Chicago, Kasey found IABA and happily has been supporting adult services as a consultant at one of IABA’s partnered adult agencies.

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Ken Shontz

Ken Shontz

BCBA

Ken Shontz graduated from the Chicago School of Professional Psychology with a masters of science in Applied Behavior Analysis in the summer of 2014, and in February of 2015, he became a BCBA.. He has 6 years of experience working with individuals with disabilities. Ken’s interests within the field include precision teaching, skill acquisition, and teaching functional living skills. In his free time, he enjoys reading, working out, and playing guitar.

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Mia Baldacci

Mia Baldacci

BCBA

Mia Baldacci’s passion for serving individuals with disabilities sparked at a young age when she was diagnosed as hard of hearing and treated with hearing aids. The positive interactions she experienced when working with specialists and professionals motivated her to develop similar relationships with the people she works with. Mia has been serving individuals with disabilities since 2010, when she started as speech therapy support staff while she worked on her undergraduate degree. She then moved to a school setting, where she worked closely with a BCBA and decided to get her Masters degree in ABA.

IABA’s mission of providing quality ABA therapy across funding sources resonated with Mia, and she started there as an intern in 2014. In Chicago/Naperville, she worked as a lead line therapist and a program manager, working with clients in their homes, at school, in the community, and the autism clinic. She was able to work with IABA’s youngest (2.5) and oldest (26) in-home clients across diagnoses and cultures. Mia is currently living in Denver, Colorado where she is expanding IABA’s services across state lines. Mia has a Bachelor of Science in Communication Sciences and Disorders (Speech Pathology) from Saint Xavier University and a Master of Science in Applied Behavior Analysis from The Chicago School of Professional Psychology.

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Katlyn McGinnis

Katlyn McGinnis

BCBA

Katlyn McGinnis went for her undergraduate degree at Northern Illinois University, where she received a Bachelors of Science in Child Development. After graduating from NIU, Katlyn decided to pursue a master's degree in applied behavior analysis. Katlyn attended The Chicago School of Professional Psychology where she completed her Master's in Science in applied behavior analysis.

After graduating, Katlyn began working with adults at a day program. After a year working with adults, Katlyn decided she wanted to apply her knowledge of child development and work with children again. After leaving the day program, Katlyn is now continuing her career here at IABA working with children of all ages.

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Holly Diaz

Holly Diaz

Program Manager

Holly Diaz started her career as a 4th grade teacher for Chicago Public Schools. She received an elementary education undergraduate degree from Spring Arbor University and continued with a masters degree in education and innovation from Webster University. After working for 6 years in general education, Holly began working as a paraprofessional for Tier three students and this inspired her to pursue her degree in applied behavior analysis. Holly now works as a consultant for adults both in-home and at day programs.

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Katie Fasan

Katie Fasan

BCBA

Katie Fasan is a BCBA who currently works with clients ages 2-23 years of age. Katie received her undergraduate degree in speech and hearing science from Arizona State University. She then got a masters in ABA from The Chicago School of Professional Psychology. Her professional interests include early intervention, precision teaching, data based decision making, and skill acquisition procedures. Outside of work, Katie enjoys spending time with her family and friends as well as reading mystery novels.

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Jackie Scarpaci

Jackie Scarpaci

BCBA

Jackie Scarpaci graduated from Western Michigan University with a Bachelor of Science in Psychology and recently completed her coursework for a Master of Arts in Applied Behavior Analysis at The Chicago School of Professional Psychology. Jackie has worked and studied within the field of ABA for over 5 years. Throughout her time, she has worked with individuals of all ages and in a variety of settings.

Jackie has a strong knowledge base in the principles and practices of ABA, including Precision Teaching, parent training, behavior reduction, skill acquisition, functional communication training, toilet training, and organizational behavior management. Jackie is dedicated to improving the lives of those she works with through her commitment to providing an evidenced-based scientific approach to behavior services. In her spare time, Jackie enjoys reading books, watching movies, and doing outdoor activities with her dog, Ellie.

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Hitomi Wada

Hitomi Wada

BCBA

Hitomi Wada is a BCBA and has been working at IABA since 2016. She received her Bachelors in Psychology at The California State University of Stanislaus, where she first learned about ABA. As her relationship with her cousin with autism grew closer, her passion in ABA flourished. She has been working in the field of ABA since 2008 and recently completed her coursework for her Master's in ABA at The Chicago School of Professional Psychology. Hitomi received her BCBA certification in September of 2017. Hitomi has worked with individuals of various ages in various settings. Her professional interests include creating behavior support plans, skill acquisition in functional communication, and parent and staff training. During her free time she loves to cook, try new restaurants, and hangout with her Olde English Bulldog Bennett.

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Christina Pacholik

Christina Pacholik

Program Manager

Christina Pacholik is a Program Manager and has been working at IABA since the spring of 2017. Christina received received a Bachelors of Arts in Psychology from Trinity Christian College. She then went on and pursued her master’s in ABA and completed her coursework for her Master's in ABA at The Chicago School of Professional Psychology where she received her master’s degree in 2017. Christina found her love for applied behavior analysis while a sophomore in undergrad, and began her journey as an intern working with adults with developmental disabilities. From there Christina began working as a line therapist working with children with Autism. Christina specializes in behavior reduction, and skill acquisition bringing over five years of experience to her position at IABA. Christina enjoys playing softball in her pass time, and played collegiately in undergrad. She also enjoys adventures with friends outdoors, and spending time with the family!

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Mike Sowa

Mike Sowa

BCBA

Mike Sowa is a BCBA at IABA and has been working with IABA since the winter of 2017. Mike completed his undergraduate at the University of Colorado at Colorado Springs with a BA in psychology. He began work as a front-line ABA therapist in 2008 were he became program director at a local ABA company. As program director, Mike created and managed an after school program, a summer camp, and a sports program as well as managed a weekend social group and a teen social group. In 2016 Mike graduated from the Chicago School of Professional Psychology and in 2017 he became a BCBA.

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Program Manager

Sarah is a Program Manager at IABA and has been with IABA since 2015. She graduated from Loyola University Chicago with a Bachelor’s of Science in Psychology. After graduating from Loyola, Sarah worked in the Special Education Department at an elementary school in Chicago for 2 years. Sarah has recently completed her coursework for a Master’s of Science in Applied Behavior Analysis at The Chicago School of Professional Psychology. Sarah has over 6 years of experience working with individuals with developmental disabilities. Sarah has worked with individuals of all ages in school, clinic, and home settings. Her professional interests include precision teaching, skill acquisition procedures and behavior reduction.

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Benita Anderson

Benita Anderson

Billing Specialist

Benita Anderson is Instructional-ABA Consultants’ medical billing/coding specialist. Benita is an Alpha Beta Kappa graduate of Everest College, Burr Ridge, IL. After graduating in 2013, Benita launched her career in Medical Billing & Coding, after a long career in Mortgage Banking. In December of 2015, Benita joined IABA, and she is responsible for all aspects of billing for services to insurance and clients. She is also responsible for all provider credentialing processes with all insurance across the board, appeals of claims, working closely with all providers to put authorizations for services in place and keeping IABA’s billing system current. In her spare time she enjoys, movies, bingo, she’s a big Chicago Bears fan and she loves spending time with her sons.

In her spare time she enjoys, movies, bingo and is a big Chicago Bears fan and spending time with her son’s.

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Terri MciIlrath

Terri MciIlrath

Administrative Assistant and Billing Support

Terri Mcillrath joined Instructional ABA Consultants in October 2016. As the main liaison for the families, Terri’s main role is to be the point of contact for our families. Terri is responsible for gathering demographics for any new families. Terri also assists the billing department with payment posting and private pay. Terri has a background in medical collections along with many years of customer service. Terri is the mom of two sons, Anthony and Logan and she enjoys spending her spare time with family.

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