Meet the Team



Terri Newton, M.S., Ed., BCBA

Executive Director

Terri Newton M.S. Ed., BCBA, Founder/CEO of Childhood Autism Services, has spent her entire career working with children diagnosed with autism spectrum disorder and other developmental disabilities. It is her passion to support the Autism community and their needs by employing evidenced-based practices and support services. CAS has been providing services to children and their families in the greater Omaha area since August 2011.

“All children have a unique way of learning.  It is my passion to help them discover and achieve their individual outcomes for success.”   - Terri Newton, 2011


Office Staff

Tina Persinger

Office Manager

It is both my pleasure and privilege to serve as the Office Manager for CAS.  I have been with the company since our debut in August 2011.  In January 2018 I began working full time at the Papillion office, giving me more of an opportunity to work directly with client families regarding services and insurance.  In my personal time I get to enjoy my children and grandchildren alongside my husband.  We love to walk, travel, attend local concerts/events and kayak.

Jami Wintle

Billing & Claims

I have been with CAS since January 2014. When I started it was a part time position that rapidly grew to full time. It has been amazing to be a part of the CAS team and watching this company grow to what it is today. I have watched many CAS children grow leaps and bounds. It truly melts my heart. In my free time, you will find me at the softball fields with my youngest daughter. It is such a joy to watch her play. When I am not at the ballpark I love to travel to the beach. Most of all spending time with family and friends is what makes me happy!

Ally Newton, B.S.B.M.

Communications/Office Admin Assistant

I have a passion for working with people and having their best interest in mind. In my early career, I achieved an Associate degree in Culinary Arts and Management at Metropolitan Community College. I have a wide background in the Hospitality industry as a Pastry Chef in Omaha. After evaluating what I wanted for my future, I decided to pursue an Undergraduate degree at Bellevue University in Business, Management and Leadership. From there, CAS was the perfect opportunity for me to embrace my strengths. Now, I work directly with new/waitlist clients and employees. I’ve created and manage the CAS website and social media pages. Outside of work, I enjoy traveling with my husband, cooking/baking, enjoying the outdoors and spending time with family.

Clinical Staff

Torri Smith Tejral, BCBA, LIMHP

Clinical Educator 

I have a passion for working with children on the Autism Spectrum and advocating for evidenced based practice.  I am a Licensed Independent Mental Health Practitioner as well as a Board Certified Behavior Analyst.  Over the course of my career, I have provided outpatient mental health services, intensive home based therapy services and center based therapy for children with an Autism Spectrum Disorder. My husband Chris and I live in La Vista with our 3 children.

Jessi Fletcher, M.S., BCBA

Behavior Technician Training Director 

I am the Training Director and also a Program Supervisor.  I am passionate about teaching both children and adults.  Growth is exciting, and that is why I feel honored to be a part of the CAS team.  I am married and am a mom of three.  We love creating family time to enjoy the outdoors.


Michelle Mullen, MSW, BCBA

Clinical Supervisor

I received my Bachelors in Social Work at Nebraska Wesleyan University in 2011. I then completed my Masters in Social Work at the University of Nebraska at Omaha in May 2014.  While pursuing my masters, I worked as a behavior therapist for CAS and completed my internship at Choices Counseling. Upon completion of my masters, I began taking coursework to pursue my BCBA, through the Florida Tech BCBA Certificate Program. In October 2015, I completed my BCBA coursework, and began working as a Clinical Supervisor at CAS in January 2016. Outside of work, I enjoy playing soccer, exploring nature, spending time with friends and family, and eating Indian food.

Elizabeth M. Bullington, BCBA, LMHP

Clinical Supervisor

I have been with CAS since 2012, I am a Board Certified Behavior Analyst and a Licensed Mental Health Practitioner.  I began my journey in Behavior Analysis as an undergraduate student at Midland Lutheran College where I received my bachelor degree in psychology and minor in Applied Behavior Analysis. I have continued my interest in behavior and specifically in helping children diagnosed with Autism through my internship at UNMC, and graduated from UNO with my Masters Degree in Psychology. Through my studies one quote from Ivan Pavlov has always stuck with me, "Be passionate in your work and in your search for the truth."


Kat Lewis, M.S., BCBA

Clinical Supervisor

I have been practicing ABA for 8 years. I worked as a BCaBA for several years before pursuing my BCBA. I also hold a masters in nutrition and enjoy collaborating with families to improve their children’s feeding and eating challenges.  When not on the job, I enjoy being outside, being active, and traveling  as much as possible.

Courtney Petersen, BCaBA

Clinical Supervisor

I received my Bachelors in Psychology at The University of Nebraska at Lincoln in August 2008. I went on to complete my coursework at Florida Institute of Technology and received my BCaBA certificate in August of 2016. I worked part time for Lutheran Family Services and part time as a Registered Behavior Technician for Childhood Autism Services while completing my course work. Once I graduated in August of 2016 I began working as a Clinical Supervisor. I love to spend time with my family and friends, being outside, traveling, and have a passion for working with children.

Jaime Hill, M.A., CCC-SLP

Speech Pathologist

I am the new speech/language pathologist. I earned my master's degree at the University of Iowa and have many years of experience working in schools and pediatric outpatient settings. My true love is helping children develop the communication and language skills to share their unique ideas with others.


Laura Needelman, BCBA, LMHP

Clinical Supervisor

I have been a Board Certified Behavior Analyst since 2011 and a Licensed Mental Health Practitioner since 2015. I received my bachelor’s in elementary education from Creighton University and my master’s degree from The University of Southern Mississippi. I have worked as a behavior technician in a hospital-based setting, developed and was clinical coordinator for an outpatient clinic for children with autism, provided outpatient mental health services, and supervised home-based therapy and school-based therapy. My husband and I live in Omaha with our 5 children who keep us very busy.

Brienna Abraham, M.A., BCBA
Clinical Supervisor

Throughout my career, I have provided services in the Behavior Analysis field in Florida, Texas and now Nebraska. My ventures have brought me opportunities working with children and adults with various types of intellectual disabilities, as well as, working in the juvenile delinquent center and private education settings. I have a passion for working at increasing functional language and consumption of nonpreferred foods.  My husband and I recently built a home in the country and have a baby boy. We look forward to building our property with farm animals and love living back in the Midwest! GBR!

Brandy Heida, BCaBA

Clinical Supervisor

I have a passion for working with both children and adults on the Autism Spectrum. I received my Bachelors degree at Midland University in 2020. Through my time at Midland, I completed a yearlong internship as a Registered Behavioral Technician at the Munroe-Meyer Institute. Once I graduated, I pursued my BCaBA certification and am now a Board Certified assistant Behavior Analyst. I am new at CAS and have been working here for 9 months. I am excited to continue to grow here and help children and their families in any way I can. I am married and have two cats. Outside of work, I enjoy being active, traveling, and spending time with my friends and family.

Amanda Messenger, MA BCBA 

Clinical Supervisor

I began working at CAS as a behavior technician in 2012 and received my bachelor’s degree in Behavioral Sciences from Bellevue University.  I decided to advance in the field by pursuing a Master’s degree in ABA from Ball State University and graduated in 2020.  Throughout my time at CAS, I have provided in-home and clinic-based services and have been involved in our social skills groups.  I became a clinical supervisor at CAS in 2021.  In my free time, I enjoy cooking and spending time outside.  


Kiley Adelson, BCABA

Clinical Supervisor

I graduated in 2014 with a bachelors in behavioral health, shortly after I moved to Denver where I was introduced to ABA. I developed a passion for ABA and working with children with Autism Spectrum Disorder. I became a Board Certified Assistant Behavioral analyst in 2019. Over the course of my career I have provided Early Interventional Services and Pediatric Feeding Services. My husband Corey and I live in Omaha with our son.