The Leavenworth center is designed to be a welcoming space where children can thrive. Our talented therapists provide evidence-based ABA therapy with patience and care, helping children grow academically, socially, and emotionally.

Group space allows the kids to interact with each other comfortably.

Our facilities provide endless resources and tools for your child in a warm and fun environment. From verbal communication to social skills development, we are fully equipped to help address your child’s needs.

Contact our Leavenworth Office

Our Staff

Celina Evans, BCBA

Board Certified Behavior Analyst

Celina has been with Family First since October 2015. She has a Bachelor’s degree in Arts Education and a Master’s Degree in Professional Behavioral Analysis. Get to know Celina through a quote “I like piña coladas, and getting caught in the rain, I am not into yoga, and I have half a brain! I like eating snacks at midnight in the dunes on the cape, if I’m the BCBA that you’ve looked for, write to me and let’s play!”

Meredith Rupp, BCBA

Board Certified Behavior Analyst

Meredith has been with Family First since May 2019. She graduated with a Master of Arts degree in Applied Behavior Analysis from Florida Institute of Technology in December 2025. Meredith worked alongside Laken Reel to help open the Manhattan Family First center in 2023 and now splits her time between the Manhattan and Leavenworth locations. In her free time, Meredith enjoys spending time with friends and family, traveling, and being outside.

Leavenworth Leadership Team

Perla Varela, Lead RBT & Office Administrator

Lead Registered Behavior Technician

Per Perla has been with Family First since March of 2026. In her free time Perla enjoys going for a hike, playing soccer or reading.

Abby Wassum, Lead RBT

Lead Registered Behavior Technician

Abby has been with Family First since August 2021. She enjoys spending time with friends, camping, traveling, PC gaming, and cooking.

Jacklynn Paxton, Lead RBT & NEL

Registered Behavior Technician

Jacklynn joined Family First in October of 2025. In her free time Jacklynn enjoys traveling, listening to music and playing video games.

Courtney Richter, Lead RBT

Lead Registered Behavior Technician

Courtney has been with Family First since August 2020. She graduated from Peru State University with Bachelor in Psychology. She is currently working on her Master’s in Professional Behavioral Analysis from Florida Institute of Technology and is expected to graduate in 2025. She enjoys reading, hanging out with family, and eating good food.

Leavenworths Registered Behavioral Technicians

Robert McCabe, RBT

Registered Behavior Technician

Robert started with Family First in February 2023. He enjoys hanging out with friends and family, riding his motorcycle, playing billiards, and playing with his two dogs.

Samantha Bowsher, RBT

Registered Behavior Technician

Samantha started with Family First in 2023. She enjoys exploring new places with her family and dog.

Katheryn Walker, RBT

Registered Behavior Technician

Katheryn started with Family First in 2024.

Chelsea Spencer, RBT

Registered Behavior Technician

Chelsea joined Family First in December of 2024. In her free time Chelsea enjoys spending time with family, attending concerts and going to sporting events.

Lauren McConaghie, RBT

Registered Behavior Technician

Lauren has been with Family First since January of 2025. Lauren is currently enrolled at the University of Saint Mary working towards her bachelor’s of science in Nursing. During her free time Lauren enjoys spending time with her dog, boyfriend and spending time outdoors.

Leighann Thoos, RBT

Registered Behavior Technician

Leighann joined Family First in October of 2024. Leighann enjoys spending time with her puppy and baby. As well as crocheting and baking.

Makenzie Dixon, RBT

Registered Behavior Technician

Makenzie joined Family First in December of 2025. Makenzie graduated from the school of Paul Mitchell in November of 2024. In her free time, she enjoys reading, crafting, playing with her dogs and spending time with family.

Katie Hetherington, RBT

Registered Behavior Technician

Katie joined Family First in January of 2025. Katie is currently enrolled at Kansas City Community College and working towards her associate’s degree in respiratory therapy and should be graduating in Spring of 2028. In her free time, she enjoys spending times with her daughter, trying new restaurants and shopping!

Genevieve Quintois, RBT

Registered Behavior Technician

Genevieve joined Family First in October of 2025. In her free time she enjoys reading, writing/drawing, Diamond art and photography.

Maria Hicks, RBT

Registered Behavior Technician

Maria is currently enrolled at Spurgeon College working towards student ministry and is expected to graduate in April of 2028. In her free time Maria enjoys reading, singing, and hanging out with friends!

Rachel Parker, RBT

Registered Behavior Technician

Rachel has been with Family First since March of 2026. In her free time Rachel enjoys riding her horse, cooking/baking and spending time with her family.

Taylor Spillman, RBT

Registered Behavior Technician

Taylor enjoys playing video games, going for a walk and hanging out with friends and family.