Please read our bylaws here.


IL ABA is a BACB ACE provider, with provider number OP-16-2686. Jennifer Klapatch Totsch is the ACE coordinator.

Our board consists of the following members:


Jennifer Klapatch Totsch

Jennifer is a Board Certified Behavior Analyst- Doctoral level (BCBA-D) and an Assistant Professor and Program Director in the Applied Behavior Analysis degree programs at National Louis University (NLU). She earned her MA in Clinical Psychology (emphasis in ABA) and Ph.D. in Applied Behavior Analysis at The Chicago School of Professional Psychology. She has worked as a behavior analyst since 2005 in a variety of clinical and educational placements, including foster care, public schools, residential centers, and private practice. Her professional practice focuses on systems-level consultation and support and the design and implementation of pragmatic behavioral interventions to create longstanding, socially significant changes. Prior to joining NLU, Jennifer served as an Assistant Professor and the Director of Applied Professional Practice at The Chicago School of Professional Psychology; there, she focused her efforts on improving instructional design and measurement methods in the classroom and designing a competency-based practitioner training program. Jennifer is actively involved in state- and national-level professional organizations as an advocate for increased stringency in the training of behavior analysts and dissemination of behavior analysis to the public.


Stephanie A. Gorbold

Stephanie is a Board Certified Behavior Analyst specializing in organizational behavior management (OBM) and the treatment of children and adults with autism and developmental disabilities, and has been working with this population since 1999. She has professional experience as a behavior analyst, special educator, and behavioral consultant in school settings, in-home programs, adult day programs, residential programs, and business. Stephanie received her master’s degree in applied behavior analysis (ABA) from The Chicago School of Professional Psychology. In March 2013, she founded GBC aba to meet the growing need for quality ABA services. She is passionate about helping transform the lives of her clients and their families through a progressive approach to ABA. Her research interests include the clinical implementation of empirically validated treatment techniques, OBM, ABA for health and fitness, and behavioral gerontology. She has presented her research at ABAI’s annual convention and is continually looking for more speaking, presenting, and training opportunities. Through her education and training she has acquired a solid foundation in advocacy, outreach, community organizing, and administration.


Jason Hirst


Operations Coordinator
Jana Sarno

Jana Sarno is a Board Certified Behavior Analyst (BCBA) with extensive educational and clinical experience in the field of Applied Behavior Analysis. She earned her Bachelor of Science from Western Michigan University. Jana attended The University of Southern Mississippi and earned her Master of Arts degree in Psychology. During her time at USM, she worked with children enrolled in Head Start, provided consultation services to local school districts, and worked at a multi-disciplinary setting focusing on pediatric feeding disorders. After her time at USM, Jana completed a year-long internship at the Marcus Autism Center, a NIH Autism Center of Excellence in Atlanta, GA. While at Marcus, Jana received intensive clinical experience in the assessment and treatment of severe problem behavior, verbal behavior, and pediatric feeding disorders. Most recently Jana has held clinical leadership positions in a number of organizations and continues to serve in this capacity with North Shore Pediatric Therapy. Finally, Jana has participated in grant-funded research and regularly presents at behavior analysis conferences.


Operations Coordinator- Elect
Candice Gizewski



Outgoing Operations Coordinator
Jessica Gamba

Jessica Gamba began her undergraduate study of behavior analysis at Sacramento State University, and earned her master’s and doctorate degrees in applied behavior analysis from The Chicago School of Professional Psychology (TSCPP). She conducted her thesis on the topic of behavior analytic college teaching, and a basic experimental dissertation on the topic of percentile schedules of reinforcement. As a member of the faculty and Associate Director of Applied Professional Practice at TCSPP, she has served on the committees of more than 45 behavior analytic theses and dissertations targeting a wide variety of experimental questions, and assisted in overseeing the practicum experience of the ABA program’s master’s students across more than 50 sites in the Chicagoland community. Her other areas of research interest include verbal behavior, stimulus equivalence, and functional analyses.



Member at Large
Scott Herbst

Dr. Scott Herbst is the founder and principal of SixFlex Training and Consulting, a behavior-based management and leadership consulting firm in Chicago. He earned his Ph.D. from the behavior analysis program at the University of Nevada, Reno. His areas of expertise include organizational behavior management, organizational culture, relational frame theory, and acceptance and commitment therapy. Prior to founding his current company, he was a professor in the ABA department at The Chicago School of Professional Psychology.



Member at Large
Ashley Whittington-Barnish

Dr. Ashley Whittington-Barnish is an assistant professor and department chair of The Chicago School of Professional Psychology’s Applied Behavior Analysis Department in Chicago. Dr. Whittington-Barnish is a licensed clinical psychologist, certified school psychologist, and Board Certified Behavior Analyst-Doctoral. She graduated from Illinois Wesleyan University with a BA in psychology and educational studies and from Illinois State University with an MS in psychology and a Ph.D. in school psychology. She completed her doctoral internship at Livingston County Special Services Unit and her post-doc at Trinity Services Autism and Family Resource Center. She has worked in school, clinic, and in-home settings with children of all ages, specializing in working with children with autism and their families.


McCormickMember at Large
Brigid McCormick

Brigid McCormick received her master’s degree in applied behavior analysis from The Chicago School of Professional Psychology. As a Board Certified Behavior Analyst and the founder of Precision ABA, LLC, Brigid currently works with children and adolescents in their homes and communities. She is an experienced precision teacher, and focuses her treatment under that lens. Before getting her master’s degree, Brigid graduated with her teaching certification with an endorsement in special education from Illinois State University, and blends teaching and ABA to produce exceptional outcomes for children and their families.


Student Representative
Rocco Catrone

Rocco Catrone, MS, BCBA earned his master’s degree in Behavior Analysis and Therapy from Southern Illinois University – Carbondale (SIU-C) in 2015 and is currently pursuing his Rehabilitation –Behavior Analysis and Therapy focus. He is also a practicing BCBA at Advocate Children’s Hospital in their Autism Treatment Program providing parent training, direct therapy, assessment, and consultation. His research interests include applications of relational frame theory (RFT) to children with autism, the verbal construction of culture and language, applications to organizational behavior management (OBM), parent training for children with developmental disabilities, and how RFT can help reduce various cognitive biases.