Sierra moved to Colorado when she was eleven years old, & has been thriving here ever since! She attends CSU & is working for her Bachelors degree in Sociology. She loves learning new things & is keeping her options open for what her career entails, but knows she wants to work with kids in someway! Sierra has been working at Attain SLB since the summer of 2022. Before working at Attain she had another job working with kids with disabilities, with this experience she gained a lot of skills & confidence which lead her on a great path for being a RBT. In her free time she enjoys hanging out with her two dogs, spending time with her family & friends , and embracing nature in many ways! She loves to take her dogs on hiking trails or to the Poudre River where she likes to listen to the sound of the river. Sierra loves having the opportunity to get to know the kids she works with & enjoys figuring out the uniqueness of each individual. “Be the change you wish to see in the world” has been a phrase that has held an importance on how she leads through her life. Being able to modify teaching styles to each individuals needs, & to be a positive understanding figure, is just one step to making an impactful change! Sierra loves that ABA allows progress to be shown, she loves to watch the kids grow day by day!
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Sarah started her career as a BCBA in Michigan after graduating from Eastern Michigan University with a Master of Science degree in Clinical Behavioral Psychology. Shortly after becoming certified as a BCBA, she started an after-school ABA therapy program for a company that was providing vocational services for adults. She has advanced experience implementing ABA therapy in the home and in clinic settings. Sarah moved to Colorado during the COVID-19 pandemic and worked with a clinic-based ABA company to extend services safely and effectively to the home setting for families who were not able to continue services in the clinic.
This position was shaped to the Director of Home Services and eventually both Clinical Director and Director of Home Services for several years before transitioning to Attain. Sarah led a special project in 2021 that contracted ABA-based parent training services to foster parents and bio parents with children in foster care. This project included a comprehensive functional behavior assessment for each child and training parents on individualized behavior intervention plans, as well as training parents and DHS staff on basic principles of applied behavior analysis via group trainings. Sarah obtained specialized trauma-informed care training and expanded greatly upon her interests and training in compassionate care through this unique and rewarding experience. Sarah values conducting therapy in a way that is effective and evidence-based but also prioritizes rapport-building and safety.
She believes that it is vitally important to ensure that ethical standards are being met and that each child is experiencing joy during therapy sessions. Recently, Sarah has taken an interest in also applying ABA principles to personal health and fitness goals- she really values the science and “can’t get enough of it!" Sarah is an avid runner, and Pilates and weight-lifting enthusiast outside of work and is currently in the process of obtaining her nutritionist certification.
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Lindsey began her education experience with the goal of being a Speech-Language Pathologist and got her undergraduate degree from the University of North Texas (UNT) in Speech and Hearing Sciences in 2015. While finishing her degree she began working at UNT's Autism Center as a Behavior Technician simply to gain experience providing therapy to children but quickly fell in love with the science of Applied Behavior Analysis and its many applications in the "real world".
While at UNT, Lindsey learned from highly experienced faculty and researchers and was trained in serving individuals with high needs, establishing and teaching young children to communicate effectively, and applying what is taught in the clinic to everyday life and empowering families through parent coaching and training. She completed her Master's degree in Applied Behavior Analysis with an emphasis in autism spectrum disorders (ASD) at Ball State University, and has been a BCBA since 2020.
Lindsey's favorite thing about ABA is that everyone uses the principles of the science every day and don't even realize it!Lindsey and her husband moved to Colorado in February 2024 and are loving the change of scenery! When she's not teaching (and playing!) in the clinic, Lindsey enjoys playing the guitar and piano, going to concerts, teaching her cats new tricks, and spending time outdoors with her husband.
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Katherine graduated from the University of North Florida in 2021 with her Bachelor of Science degree in Psychology. She went on to pursue a Master of Arts in Behavior Analysis Practice and graduated from Florida Institute of Technology in 2024. Katherine has experience providing direct ABA services in home, in schools, and in clinic settings. She accrued fieldwork experience at Attain while completing her graduate program and became a BCBA in 2025.
One of her favorite aspects of ABA is specifically tailoring programs to each learner’s needs and teaching based on individual learning style. Katherine is originally from Florida and moved to Colorado with her husband in 2022 to enjoy all the outdoor activities the West has to offer. She loves hiking, biking, paddle boarding, swimming, and skiing in her free time.


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