Meet the Staff


Amanda Riviello, MA, BCBA, LBA

Owner and Senior Behavior Analyst, Amanda Riviello is a Board Certified Behavior Analyst and a Licensed Behavior Analyst in the state of Missouri. Amanda earned a Bachelor’s degree in Child Development with a minor in Autism and Applied Behavior Analysis from Southeast Missouri State University. Amanda went on to earn a Bachelor’s degree in Communication Disorders and then completed her Master’s degree in Applied Behavior Analysis at Southeast Missouri State University. Amanda has been working with individuals with developmental disabilities in the field of Applied Behavior Analysis for over 10 years. During this time, Amanda provided direct therapy, consultation, and training in a variety of settings, including homes, center based programs, school districts, and community settings.  Amanda enjoys spending time with her husband and dogs during her free time. 


Jennifer Yarber is the Office Administrator.  She is also our Employee Involvement Coordinator and Party Coordinator.  Jennifer graduated from highschool here in Willow Springs where she is still living with her husband and two daughters, 9 and 10.  Jennifer and family enjoy outdoor activities including hunting, fishing, and spending time at their home away from home, the lake! 

Katie Phipps is a Registered Behavior Technician. She has a Bachelors in Psychology and recently obtained a Masters degree in Applied Behavior Analysis.   Katie is currently studying for her BCBA exam.  Katie lives in Mountain View with her two boys.  They love going to state and national parks along with the beach and river.  They like soccer, baseball, and football.

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Lori Pendergrass is a Registered and Licensed Occupational Therapist in the State of Missouri.  She was an Occupational Therapist Assistant for 5 years before pursing a Master's Degree in Occupational Therapy at Belmont University in Nashville, TN.  Lori has 8 years of experience working with individuals from birth- age 99.  Of those 8 years, 5 years have been spent working with the pediatric population.  Lori enjoys spending time watching her daughter play sports for Willow Springs and being with her family on the weekends.  She looks forward to joining our team at Children's Behavioral Services and assisting your child with Occupational Therapy needs.   

Sarah Van Eck is a Certified Occupational Therapy Assistant. In 2014 she obtained an Associate’s Degree in Occupational Therapy in Phoenix, Arizona. Over the course of 10+ years, she has served in various supportive roles with adult and pediatric populations. Her primary passion is working in pediatrics, where she has dedicated much of her career in home health, sensory integration and outpatient clinics as well as schools. She looks forward to pursuing her Master’s Degree in Occupational Therapy in the future. In her free time, she enjoys spending time in nature, road trips and camping with her family and dogs.  


Ashley is a Board Certified Behavior Analyst and a Licensed Behavior Analyst.  She has a Bachelors of Science in Behavioral Science and Masters of Arts in Applied Behavior Analysis.  She has been working with kids on the Autism Spectrum since 2012.  Ashley has provided consultation services to children and families in-home, in the community, and in-clinic settings.  Ashley enjoys spending time with her 4 children and goats during her free time.  

Kenzie is a Registered Behavior Technician.  She hopes to obtain an Associates in General Studies by Spring 2022.  She also hopes to begin pursing a degree in Occupational Therapy in Fall 2022.  Kenzie has played the trumpet for 7 years where she played the National Anthem for 4 basketball games and 1 football game.  She loves music and spending time with family and friends.   


Krystal Kraus is a Registered Behavior Technician working towards her license as a Behavior Analyst. She has a Bachelor of Science in Psychology and Sociology and Master of Science in Counseling/School Counseling. She has always had a passion for working with children. In her free time, she enjoys spending time with her two daughters and her husband. They enjoy spending time at the river and camping. 

Ali is a Registered Behavior Technician. She is a Willow Springs native who plans to graduate with her bachelors degree in Child and Family Development in Spring 2022. She has several years of experience working with children which is her passion. She enjoys spending time with her daughter, two sons and her husband. They enjoy going to the river, playing outside, going for drives, and spending time with friends and family.