Newline Behavioral Solutions (NBS) is a team of professionals who have dedicated their lives to bettering the lives of families of children with special needs. We specialize in autism therapy, though we are skilled at treating all children that have behavioral issues or deficits in the area of socialization, language, and play. Contact our team of professionals today to learn more!

Jennifer Lewis, Owner & Founder

Newline Behavioral Solutions (NBS) was founded by Jennifer (Jen) Lewis, MS, LPC, BCBA. Jen has dedicated the last decade to working with children and adults of all abilities. Not only does Jen understand the struggles Autism families face through the lens of a clinician; she is also the mother to an exceptional needs child!

Jen holds a Master of Science in Counseling with a School Counseling focus degree. After obtaining her master’s degree, Jen continued her schooling and completed coursework at The Chicago School of Professional Psychology to sit for the board certification as a behavior analyst. In addition to the Board Certified Behavior Analyst (BCBA) certification, Jen holds a Professional Educator License with a School Counseling endorsement and a Licensed Professional Counselor (LPC) in the state of Illinois. Jen values education and is passionate about continuing her education so that she stays abreast of new research and most effective ways to serve the autism population.

Jen grew up and continues to live with her family in the west suburbs of Chicago. During her off time, Jen enjoys spending quality time with her 3 children, watching her sons play baseball, her daughter cheerlead, and vacationing in Florida.


Meet Some of Our Team!

Courtney Doornbos, M.Ed., BCBA

Clinical Director & BCBA

Courtney Doornbos has been in the field of ABA for over 15 years. She received her master’s degree in education from DePaul University and later obtained her certification as a Board Certified Behavior Analyst from Florida Institute of Technology. Courtney feels strongly about the importance of compassionate care and has spent much of her career creating training curriculums and systems to enhance the quality of services. She is also passionate about working closely with caregivers and within the community to provide comprehensive treatment to achieve the greatest outcomes possible for our clients. In her free time, Courtney likes to travel, read, workout, and volunteer with community-based organizations.

Carrissa Weakley

Agency Operations Manager

Carrissa Weakley is our Agency Organizations Manager. Carrissa is Newline’s newest member! She brings over 10 years of administrative experience in Office Management. She assists in the development and implementation of NBS policies and procedures, manages and oversees the administration of HR policies, programs and practices within NBS, she maintains accounts payable, receivables, monthly billing, and she works closely with insurance companies. She is our go to for all insurance and HR related questions! Carrissa is currently pursuing a Master of Arts in Clinical Mental Health Counseling. In her spare time, she enjoys exploring the outdoors, catching up on the latest flick, and spending quality time with her kids!