Our Staff

Instructional ABA is made up of certified professionals ready to suit your needs!

Jessie Topalov
Jessie Topalov
Executive Director and BCBA
Vinh Dang
Vinh Dang
Clinical Supervisor BCBA-Adults & Crisis
Ken Shontz
Ken Shontz
BCBA
Katlyn McGinnis
Katlyn McGinnis
Clinical Supervisor BCBA-Chicago & Naperville
Katie Fasan
Katie Fasan
Clinical Supervisor BCBA-South Side & Naperville
Jackie Scarpaci
Jackie Scarpaci
Director of Clinical Services & BCBA
Lucy Rojas
Lucy Rojas
BCBA
Toshi Szpyra
Toshi Szpyra
BCBA
JenMarie Bulkey
JenMarie Bulkey
BCBA
Brianna Wegrzyn
Brianna Wegrzyn
BCBA
Ellie Mancuso
Ellie Mancuso
BCBA
Sarah Dore
Sarah Dore
Program Manager
Betsy Rios Jauregui
Betsy Rios Jauregui
Program Manager
Sammika Cosey-Scott
Sammika Cosey-Scott
Program Manager
Jenni To
Jenni To
Lead Regional Therapist
Terri MciIlrath
Terri MciIlrath
Billing Supervisor
Nicole Keene
Nicole Keene
Billing Specialist
Ingrid Lara
Ingrid Lara
Executive Assistant
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 Supervisor BCBA-Adults & Crisis

Vinh attended the Chicago School of Professional Psychology where he earned a Master of Arts in Clinical Psychology with a Specialization in Applied Behavior Analysis. Vinh became a Board Certified Behavior Analyst in 2009, and since then, he has worked with young children with Autism, providing ABA Therapy in home and clinic. Vinh also worked with teenagers with developmental disabilities and Emotional Behavioral Disorders.

In addition, Vinh worked with adults and older 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 make meaning enrichments in the lives of all individuals across the wide range of age groups. When not working, Vinh enjoys spending time chasing and keeping up with his two young sons.

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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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Katlyn McGinnis

Katlyn McGinnis

Clinical Supervisor BCBA-Chicago & Naperville

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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Katie Fasan

Katie Fasan

Clinical Supervisor BCBA-South Side & Naperville

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

Director of Clinical Services & 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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Sarah Dore

Sarah Dore

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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Lucy Rojas

Lucy Rojas

BCBA

Lucy Rojas started working with individuals with special needs at the age of 16 when she volunteered for the Big Brother/Big Sister organization as a peer mentor for teens with autism. After discovering a passion for helping others, Lucy attended the University of Illinois at Chicago to pursue a Bachelor's in Applied Psychology and graduated in the Spring of 2016. During her time in undergrad, Lucy worked as an intern at Instructional ABA Consultants and worked on cases as a Line Therapist. Working with individuals diagnosed with autism in the field of ABA inspired Lucy to pursue a Master's degree at the Chicago School of Professional Psychology in Applied Behavior Analysis. Lucy has previously worked as a Line Therapist, Lead Line Therapist, Case Manager, and Program Manager, at IABA, to finally earning her BCBA certification in November of 2018. Lucy currently works with children and adolescence of all ages and would love to continue her studies in the realm of psychology and behavior analysis.

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Toshi Szpyra

Toshi Szpyra

BCBA

Toshi Szpyra is a Board Certified Behavior Analyst (BCBA) for IABA and has been practicing since 2018. Toshi first began using behavior analysis as a best buddy for the Special Olympics and then as a camp counselor for children with autism. Her interest in understanding different aspects of behavior as it relates to learning and development led her to pursue an undergraduate degree in Psychology at the University of Florida where she had the esteemed pleasure of studying under Dr. Hank Pennypacker. After graduating from the University of Florida, Toshi began her career in education as a paraprofessional working one-one with children with autism in school as well as in the community. She then went on to teach at a therapeutic day school for children, K-12, with special needs.

Toshi decided to pursue continuing education in the form of a Master’s Degree in Educational Psychology. Once she received her Master of Education, she was promoted to Administration and served as the School Counselor and Head of Behavioral and Academic Progress. It was in this position that she became even more interested in Applied Behavior Analysis, particularly, parent training, restorative practices, skill acquisition, and behavior reduction. This led to the decision to enroll in the ABA program at The Chicago School of Professional Psychology. She earned her Graduate Certificate in Applied Behavior Analysis and subsequently her credential as a BCBA. Toshi has been lucky enough to work for IABA for almost two years and looks forward to many more years of serving the community in the most ethical way possible.

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JenMarie Bulkey

JenMarie Bulkey

BCBA

JenMarie Bulkley started out her educational path by taking classes at a local community college while working in a family day care and raising her two daughters. After obtaining her Associate Degree, she took a nap, drank pots and pots of coffee, and continued her education at Northern Illinois University where she received her BA in Psychology with a minor in Deaf Rehabilitation. She then enjoyed working as a line therapist and later as a Lead therapist for almost 5 years. JenMarie finished her Master of Education in Curriculum and Instruction (Applied Behavior Analysis) while joining the team of consultants at Instructional ABA Consultants at Arizona State University. In her free time, if she is not reading research journals or napping, JenMarie loves to meet up with her ABA friends, hike with her two large dogs, snuggle with her two cats, and enjoy time with her family.

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Brianna Wegrzyn

Brianna Wegrzyn

BCBA

Brianna Wegrzyn started in the field of ABA in 2012 in Bloomington, Illinois while pursuing her Bachelor's degree in Psychology at Illinois State University. After graduating from ISU, Brianna pursued her Master's degree in Applied Behavior Analysis with an Emphasis in Autism through Ball State University while working as a case manager for an ABA consultation company serving all ages. She became certified as a BCBA in 2017 and relocated to Denver shortly after. Since moving to Denver in 2017, Brianna has served many families between the Denver and Colorado Springs regions. She moved from Denver to Castle Rock in 2018 and is happy to be serving families in this region.

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Ellie Mancuso

Ellie Mancuso

BCBA

Ellie Mancuso’s passion for serving individuals with disabilities sparked in high school when she began providing free tutoring services to individuals with Autism Spectrum Disorders. Her positive experiences during this time motivated her to find a career path where she could continue providing support to those with disabilities and helping them grow. She attended Northern Illinois University for a Bachelor’s degree in Communication Disorders, with an emphasis on Speech Language Pathology. Following her undergraduate degree, she began working as a direct therapist for a company that provided in-home ABA therapy. She quickly fell in love with the field of ABA and decided to pursue her Master’s degree in ABA. Ellie has provided ABA services across a wide range of ages (2-22 years). She has also worked in a variety of settings including in client homes, community, clinic, and schools. Ellie is currently living in Denver, Colorado and working at IABA since 2018.

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Sammika Cosey-Scott

Sammika Cosey-Scott

Program Manager

Sammika Cosey-Scott is a Program Manager for Instructional ABA Consultants. Sammika begin working in the field of education after receiving her undergraduate degree from Northern Illinois University. Sammika got her Masters of Art in Teaching in 2013. After graduating, Sammika begin her career as a Pre-Kindergarten teacher. She then went on to work as an ITA at a non-profit therapeutic school for children and adults with autism. Her interested in Applied Behavior Analysis came while working as an ITA. She attended University of Massachusetts, Lowell in 2017. There she received a Graduate Certificate in Behavior Intervention and Autism. Sammika is interested in parent training and behavior reduction. She has worked with IABA since February of 2017. She is an advocate for autism acceptance and awareness. When Sammika is not working, she enjoys spending time with her family, traveling, and games.

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Jenni To

Jenni To

Lead Regional Therapist

Jenni To is a graduate of Loyola University Chicago where she received a Bachelor of Science in Psychology and a minor in Women & Gender Studies. After graduating, Jenni started working at a company that serves adults with developmental and intellectual disabilities. This helped spark an interest in Jenni to explore working with different age groups. She found IABA in 2015, where she started as a Line Therapist, working with children and young adults with autism. Since then, she's been a Lead Line Therapist and now a Case Manager.

Jenni continues to learn more about the psychology and science of behavior, while putting what she learns into practice with the clients she serves. In her spare time, she enjoys aerial dance and spending time with her friends. 

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Betsy Rios Jauregui

Betsy Rios Jauregui

Program Manager

Betsy Rios Jauregui graduated from the University of Illinois at Chicago with a
Bachelor of Arts in Applied Psychology. Betsy has a passion of serving others and found IABA in 2015. Prior to this, during school, Betsy used her skills to help others by serving as an interpreter for the Hispanic population seeking medical care. During her time with IABA Betsy has been an intern, Line Therapist, Lead Line Therapist, and is now a Case Manager.

Currently Betsy works with clients 3-21 years of age both in clinic and home. As a Case Manager she supports her BCBA to keep programs up to date and Line Therapists trained. Her professional interests are early intervention, precision teaching, natural environment training and skill acquisition procedures. In her free time, she enjoys reading and making Peruvian sweets.

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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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Nicole Keene

Nicole Keene

Billing Specialist

​Nicole came to IABA with extensive knowledge as a Billing Specialist per her education. Prior to working at IABA she worked as an Administrative Assistant while going to school for Medical Billing. I worked as an Administrative Assistant for over six years before going to school. Upon graduation from Everest Nicole earned her degree as a Medical Billing and Coding Specialist.
She graduated from Everest in 2012 with a Medical Billing & Coding degree. In her free time Nicole enjoys spending time with her children Jenna, Jr and Riley and spending time with her husband.

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Ingrid Lara

Ingrid Lara

Executive Assistant

Ingrid Lara received her Bachelor's of Arts degree from the University of Illinois at Chicago in the Spring of 2017. Prior to receiving her Bachelor’s Ingrid pursued her passion on dance, traveling to perform in Italy, Florida, Missouri, and Mexico. She began working with children of all ages during my freshman year of high school. Ever since, she fell in love with the rewarding feeling of seeing them improve day by day. Ingrid continued to work with children as a Dance/Gymnastics instructor at The Little Gym in Chicago for over two years. Ingrid wanted to continue in the Applied Behavior Analysis field by continuing with her studies at The Chicago School of Professional Psychology, starting in the Fall of 2018. Her goal is to continue working hard to help each individual accomplish their goals, no matter how big or small and to be there every step of the way.

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