Our Team

Our team of highly qualified professionals are dedicated to improving the lives of children and adults who are struggling with Autism and related disorders. By working together, our clients will reach their full potential.


Cookeville Office


Allison Milam, MS BCBA

Associate Clinician Director - Cookeville

Allison Milam, MS BCBA is one of our Board Certified Behavior Analysts. She has been employed by Momentum since July 2015. She has worked with individuals with special needs since middle school, where she was a counselor for a special needs summer camp. Allison realized at an early age that she wanted to work with individuals with disabilities, so she received a Bachelor’s in Special Education from TN Tech University in 2010. She was a special education/behavior teacher at Algood Elementary in Putnam County before accepting a position as Project Coordinator for the Positive Behavior Support & Inclusion program at TTU for the next 3 years. During this time, Allison completed her Master’s in Applied Behavior Analysis & Autism through The Sage Colleges in 2014. She then continued to pursue her BCBA certification by working as a behavior specialist at Scarab Behavioral Health Services before completing her certification with Momentum Behavior Analysis, LLC. Allison is excited to work at this innovative company and can’t wait to see what the future holds for her and Momentum as they grow together. Her sister, Morgan, is diagnosed with autism, which has caused Allison to play an active role in the autism community for several years and gives her a unique perspective with the families she works for. Her professional interests include autism, post-secondary education for individuals with disabilities, and verbal behavior.

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Abi Gearing, Ma RBT

Abi graduated from Tennessee Tech in May 2017 with her Bachelor’s degree in special education with a concentration in moderate to severe disabilities. Upon graduating, she received her SPED teaching license as well. She has recently graduated with her masters degree in Applied Behavior Analysis at Tech with plans to become a Board Certified Behavior Analyst. She has classroom experience in an elementary classroom, has worked as a job coach in vocational settings, and was heavily involved with a variety of clubs and programs supporting individuals with special needs in both high school and college. Abi discovered her passion for ABA when a number of kids that she worked closely with were showing progress towards new goals as a result of ABA services. In her spare time, Abi loves any and all sports, especially soccer, as well as hiking and camping.


Ashley Roberts, MA BCBA

Ashley became a team member of Momentum Behavior Analysis in September 2016 while working on her Master’s degree. She received her Master’s degree at Tennessee Technological University in Applied Behavior Analysis in December 2017. She became a Board Certified Behavior Analyst (BCBA) in May 2018. She loves working with children to help them reach their goals and is excited to provide behavioral services to families.


Carmen Ramey, MA RBT

Carmen received her undergraduate degree in Sociology with a Social Work concentration from Tennessee Tech University in May 2017. She became a team member of MBA in September 2017. Carmen has a love for children and always knew she wanted to work or help them in some type of way. She became interested in ABA therapy when she met with Allison Crawford and Alyssa Harris in her first initial meeting with the company. Carmen has recently received her Master’s degree in Applied Behavior Analysis with plans to become a BCBA. Her personality is very welcoming and she is always willing to help in any way she can. In her spare time, Carmen likes to spend time with family and friends, go to concerts, and travel.


Justin Roy, BS RBT

Justin is a Behavior Technician at the Cookeville location. He received his Bachelor’s in Human Services from the University of The Cumberlands. Justin has always shown a passion for helping others. He first found his love for working with children through time spent volunteering at his mother’s daycare center. Outside of work, Justin enjoys running and going to the gym. Justin is also a Sergeant in the Kentucky National Guard.


Taneal Burch, MA RBT

Taneal received her Bachelor’s degree from Tennessee Tech University in Psychology in May 2015. Taneal always knew she wanted to work with young children and then learned about ABA. Currently, she is enrolled in the Exceptional Learning PhD program with a concentration in ABA at Tennessee Tech University. She is working toward completing the requirements to become a Board Certified Behavior Analyst (BCBA). Taneal joined the Momentum Behavior Analysis team in July 2018 as a Behavior Technician in the Cookeville location. During her free time, Taneal enjoys spending time with her husband and dogs, riding horses, and kayaking.


Beverlee Ray

Administrative Assistant

Beverlee has been a receptionist in the medical field for 4 years. She is currently enrolled in Western Governors University where she is pursuing her Business Bachelors in Healthcare Management. She grew up in a family business, and administration has been a passion of hers for as long as she can remember. Once she joined the medical field, she found her calling and enjoys being able to help people. She is a Cookeville native. Being a mother is what inspires her to finish college while working full-time. In her spare time, she spends time with her son, knits, crochets and does school work.


Crossville Office


Allison Crawford, MS BCBA

Owner and Executive Clinical Director - Crossville

Allison has worked in the field of Applied Behavior Analysis in the area of Intellectual Disabilities and Autism since 2006. She began her career in Alabama while obtaining her Master’s degree in Psychology at Jacksonville State University. She continued by becoming a Board Certified Behavior Analyst working with children and adults with a variety of diagnoses. Over the years, she has developed special interests in verbal behavior, especially in young children diagnosed with Autism Spectrum Disorders. Since moving to Tennessee, Allison has been involved in ABA across the state in a variety of capacities including serving on the Tennessee Association for Behavior Analysis Executive Committee and working on an Autism Insurance Reform Task Force. Allison moved to Crossville in 2011 and has been providing ABA services in the Upper Cumberland ever since. After noticing that the community needed more ABA service providers, Allison set out to start Momentum Behavior Analysis to better meet the needs of the community. Momentum became a reality when it opened its doors in June 2015.


Holly Easterly, MS RBT

Behavior Specialist

Before beginning her education in ABA, Holly provided direct support services to adults with various developmental disabilities (Autism, Fragile X, Down Syndrome and Traumatic Brain injury) for a year and a half. While providing services to adults, she realized the importance of early intervention services. There were so many adults that she worked with that could have been taught valuable skills as children that would have helped them to be more independent and have a better quality of life. After gaining that experience, Holly obtained her Master’s of Science in Criminology with a concentration in Applied Behavior Analysis (ABA). She currently provides Applied Behavior Analysis interventions to children with Autism and other developmental disabilities as a Registered Behavior Technician. Holly looks forward to continuing to provide ABA services and raising awareness of these excellent interventions/procedures as she works towards becoming a Board Certified Behavior Analyst.


Hayley Johnson, MA BCBA

Hayley received her Bachelor’s degree from Tennessee Tech University in Human  Ecology with a concentration in Child Development and Family Relations in 2014. She  graduated with a Master’s degree in Special Education/Applied Behavior Analysis in  2016. Hayley became a Board Certified Behavior Analyst (BCBA) in February of 2018. She has worked for Momentum Behavior Analysis since August of 2016 and currently  works as a BCBA in Crossville, TN. Hayley has a younger sister with autism who has  been and continues to be a huge inspiration and motivation behind her pursuing a  career in ABA and helping other children and families within her community.   

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Tiffany Vaughan, BS RBT

Tiffany graduated from Tennessee Tech in 2015 with her Bachelor’s degree in Child and Family studies with a concentration in education/special education. Before beginning her journey at Momentum in 2018, Tiffany was a preschool teacher for children with special needs. After discovering the progress being made in children with ABA services, she decided to pursue a degree in ABA. Tiffany is now working towards her Master’s degree in ABA with aspirations to become a Board Certified Behavior Analyst (BCBA). In her free time, she enjoys spending time with her husband, family, and dog.


Lisa Barker, BS RBT

Lisa graduated from Bryan College with a Bachelor's degree in Christian Ministry. She has experience working with young children as the director of a daycare. Lisa has worked as a Behavior Technician since July of 2012 providing direct ABA services both in the home and school settings. She loves helping and encouraging the children in her community to achieve their goals through positive reinforcement. In Lisa's spare time, she enjoys pursuing her hobby of photography. Whether it is photographing nature, animals, or families, she puts her creative talents in motion to produce beautiful memories that last forever for all to see.


Kimberly kirk

Administrative Assistant

Kim became a team member of MBA in the summer of 2018. Originally from Panama City, FL, she is a transplant to Crossville, TN from the Nashville, TN area. Kim has several years experience in the Healthcare Technology Field. She attended Middle Tennessee State University along with Clayton College of Natural Health. She has enjoyed donating time to help community charities. She also holds certifications in the Natural/Holistic Healthcare Field. Her hobbies include creating art, reading, listening to music and time spent with family and/or friends.