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Our Growing Team

Nice to Meet You!

Management Team
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Emily White, M. Ed, BCBA

Co-Founder | Chief Executive Officer

Emily is a Board Certified Behavior Analyst and has been practicing Applied Behavior Analysis since 2012. Emily has a Master's Degree in Autism and Applied Behavior Analysis and most recently worked as the Behavioral Health Director for the Colorado Department of Human Services. Emily specializes in treating severe problem behavior in teens and young adults with co-occurring diagnoses.  

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Maddie Reid, M.S., BCBA

Co-Founder | Chief Operating Officer

Maddie is a Board-Certified Behavior Analyst and has been practicing Applied Behavior Analysis since 2007. Maddie has a master's degree in human services management and a passion for Organizational Behavior Management. Maddie has extensive experience working with people with autism spectrum disorder and other developmental disabilities. Maddie has also consulted in employee wellness and behavior-based safety with a Fortune 500 company. Clinically, Maddie specializes in working with children and teens across the autism spectrum.  In her free time, Maddie owns a greeting card company and enjoys time with her partner, baby boy, and 2 pups. 

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Ms. Elton, DO.g.

Unofficial Mascot

Elton is a 10-year-old Blue Heeler/Chihuahua mix, hailing from a wonderful rescue organization in North Carolina. Elton is the epitome of the quote, "every good Behavior Analyst has a bad dog at home". Due to the varying allergies of the individuals we serve, Elton, unfortunately, won't be around the Evoke center much, but she is happiest snoozing away at home, anyway. 

Administrative Team​
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Cody Henry

Administrative Coordinator - Evoke South

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Diane Lucas

Scheduling & Intake Coordinator

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Kevin Vargas

Maintenance & Facilities Technician

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Cheyenne Zabel, RBT

Administrative Coordinator - Evoke North

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Matt Ledesma

Maintenance & Facilities Technician

Clinical & Educational Team
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Natalie Castelluccio, MS, BCBA

Day Treatment Director

Natalie is originally from the Boston area and moved to Denver in 2018. She earned her master's degree at Western New England University and has experience working in school, home, and residential settings. Natalie has been working in the field since 2013, and has been a BCBA since 2018. In her free time, she enjoys exploring Colorado to find new pizza places to try!

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Mary Howell, MA, BCBA

Clinical Services Director 

​Mary has been practicing Applied Behavior Analysis since 2011 and has been a Board Certified Behavior Analyst since 2015. She graduated from Western Michigan University and worked in San Jose, California before moving to Denver in 2017. She has worked with a wide variety of clients of varying ages and diagnoses in home, school, and center settings. In her free time, she enjoys hiking and cuddles with her pug, Henry!

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Sam Lotter, MSW, LCSW

Mental Health Director

Samantha is a Licensed Social Worker since June of 2021, and a Licensed Clinical Social Worker since August of 2023. Samantha has been practicing ABA for two years. Samantha completed her Master of Social Work in 2018. Samantha has a passion for providing mental health services to children with Severe and challenging behavior. Samantha recently started practicing DBT therapy with children and teens across the Autism Spectrum and other related disorders.

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Eliza Hinton, MS

Licensed Special Education Teacher &

Special Education Director

Eliza is a Special Education Generalist and has been an educator since 2020. She has her Master’s Degree in Psychology and ABA. Prior to starting her career as a Special Education Teacher, Eliza worked in multiple settings, both providing and overseeing in-home ABA, as well as working within a facility school in the greater Denver area. Eliza has experience working with students with autism spectrum disorder and other various developmental disabilities. Eliza’s favorite part of being a Special Education teacher is connecting with students and seeing them become more confident and independent when they accomplish their goals. When she is not at Evoke, you can find Eliza somewhere in the mountains with her dog Stanley.

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Karah Brasher, MA, BCBA

Clinical Coordinator- Evoke North

Karah is a Board Certified Behavior Analyst and has been Involved in the autism community since 2013. In 2015 she moved to Colorado and soon after discovered the field of Applied Behavior Analysis. She obtained her master’s degree from Arizona State University in 2020 and found her passion in working with adolescents with severe problem behaviors. In her spare time she enjoys watching movies and taking trips to the mountains with her husband and their two boys.

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Cheyenne Mickelson, MA, BCBA

Clinical Coordinator- Evoke North

Cheyenne has been in the field of Applied behavior Analysis since 2016. She completed her master's degree in Autism and Applied Behavior Analysis at Ball State University and obtained her Board-certified Behavior Analyst certification in 2020. Cheyenne has experience working with children and adults with a variety of diagnoses and backgrounds across multiple settings such as center-based, in-home, schools, and community settings. Cheyenne has a passion for Severe Behavior Treatment and teaching Adaptive Daily Living Skills. Outside of the center, Cheyenne enjoys checking out concerts, new restaurant spots, and going out in nature.

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Sadie Holler, MA, BCBA

Clinical Coordinator- Evoke South

Sadie is a Board-Certified Behavior Analyst and has been practicing ABA since 2017. Her experience includes in home, day treatment, day programs and center settings. She is a Colorado native and attended Colorado State University for her undergraduate degree. She obtained her master's degree from the University of Northern Colorado and has been involved in the special education world since she was little as she has an older sister with a developmental disability. In her spare time, she enjoys hiking and camping with her husband and cuddling with her cats. 

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Elizabeth LeFever, MA, BCBA

Clinical Coordinator- Evoke South

Elizabeth is a Board Certified Behavior Analyst and has been practicing Applied Behavior Analysis since 2015. She earned her Master’s degree in Professional Behavioral Analysis at Florida Institute of Technology in 2017. Elizabeth has experience working with children with a variety of diagnoses in center, home and community settings. Additionally, Elizabeth has a passion for Organizational Behavior Management (OBM) and staff development. 

Outside of work you can catch Elizabeth taking her dogs Phil and Zev to the dog park, camping, and paddleboarding. 

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Mary "Berkeley" Brown, MA, BCBA

Clinical Supervisor

Berkeley is a Board-Certified Behavior Analyst and has been practicing Applied Behavior Analysis since 2017. Berkeley has a bachelor’s in Family and Child Sciences and a master's degree in ABA. Berkeley has experience working with individuals aged 3-23. Her passions include working with individuals with severe challenging behavior and comorbid diagnoses. Her passions outside of work include rock climbing, reading, and spending time with her dogs.

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Megan Booerboom, MA, BCBA

Clinical Supervisor

Megan is a Board Certified Behavior Analyst and has been practicing in the field Applied Behavior Analysis since 2018. Megan has a master’s degree in Special Education with an emphasis in Applied Behavior Analysis with a passion for working with diverse populations of individuals. Megan has worked with a range of individuals from toddlers to geriatric clients providing health care services. Clinically, Megan specializes in working with children and teens across the autism spectrum. In her free time, Megan enjoys reading, exercising and a good brunch on the weekends.

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Emily Rose Sallen, MA, BCBA

Clinical Supervisor

Emily Rose is Board Certified Behavior Analyst with a wealth of experience in the field since 2011. She graduated from the University of Michigan, earning a Bachelor of Science in Behavioral Neuroscience and a minor in Applied Statistics. She further advanced her expertise by obtaining a Master's degree in Applied Behavior Analysis from Ball State University.

 

Emily Rose is genuinely passionate about working with neurodivergent individuals, particularly non-speaking and limited-speaking children. She focuses on empowering these clients through alternative and augmented communication techniques. Her dedication to improving communication skills helps her clients flourish and engage with the world around them.

 

In her free time, Emily Rose enjoys a variety of outdoor activities, including camping, walking her dog, longboarding, and snowboarding.

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Kerstin Vojacek, MS, BCBA

Clinical Supervisor

Coming soon!

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Colleen Topliff, MA, BCBA

Clinical Supervisor

Colleen is a Board Certified Behavior Analyst and has been practicing Behavior Analysis since 2021. Colleen attended her undergrad at the College of Charleston and completed her master's degree in Special Education with a concentration in Applied Behavior Analysis at the University of Colorado Denver. Clinically, Colleen specializes in working with children across the autism spectrum and other related disorders and has a passion for challenging behavior. In Colleen's free time she travels in her van named Dune with her dog, loves dancing, and writes and reads poetry! 

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Zoe Blubaugh, MA, BCBA

Clinical Supervisor

Zoe is a Board Certified Behavior Analyst and has been practicing Applied Behavior Analysis since 2018. Zoe attended her undergrad at the University of North Carolina Wilmington and completed her Master's degree in Applied Behavioral Science at the University of Kansas. Her clinical experience includes working with individuals across the autism spectrum and other related diagnoses and specializes in severe challenging behavior. In her free time, she loves enjoying the outdoors, going to concerts, and spending time with her dog, Ares! 

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Grace Urban, M.Ed., BCBA

Clinical Supervisor

Grace is a Board Certified Behavior Analyst who has been in the field of Applied Behavior Analysis since 2020. She graduated with a Master of Education in Special Education with a concertation in Applied Behavior Analysis from the University of Washington. Grace's clinical passions include increasing functional communication, working with individuals with severe challenging behavior, and supporting the caregivers of clients diagnosed with Autism Spectrum Disorder and other developmental disabilities. In her spare time, Grace loves all outdoor activities, reading, live music, and playing with her dog, Hoagie!

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Sam Klasek, MS, BCBA

Clinical Trainer

Sam is a Board Certified Behavior Analyst who was first introduced to the field in 2012 through her undergraduate program at the University of Wisconsin-Eau Claire. Sam completed her master’s degree through the University of Wisconsin-Milwaukee and moved to Colorado shortly after. In both clinical and home-based settings, Sam has had extensive experience working with kids with Autism Spectrum Disorder and other developmental disabilities. Sam’s clinical specialty is providing training and support to those who are new to the field as well as expanding client communication skills through the use of PECS, AAC devices, and functional communication training. In her free time, Sam enjoys playing Sudoku and various video games as well as cooking and cuddling with her cat.

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Sophia Stäubli, M.Ed, MAT

Licensed Special Education Teacher

Sophia has a strong background in teaching, curriculum design, special education, and teacher leadership development. Throughout her career, she has honed and demonstrated a deep understanding of instructional strategies that cater to diverse learning needs. She is adept at designing and implementing individualized education plans to support students with special needs and ensure their academic and personal growth.

Sophia has developed inclusive learning materials and resources that promote accessibility and inclusivity in the classroom. She is committed to creating an inclusive environment where every student can thrive and reach their full potential.

Behavior Specialists & 
Behavior Technicians
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Shaelagh N., RBT
Pursuing Board-Certification

Behavior Specialist

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Alannah F., RBT
Pursuing Board-Certification

Behavior Specialist

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Marilyn G., RBT
Pursuing Board-Certification

Behavior Specialist

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Steven A., RBT
Pursuing Board-Certification

Behavior Specialist

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Bayli S., RBT
Pursuing Board-Certification

Behavior Specialist

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Liz M., RBT
Pursuing Board-Certification

Behavior Specialist

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Allie B., RBT
Pursuing Board-Certification

Behavior Specialist

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Amber M., MBA, RBT

Behavior Technician​

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Carlee K., RBT

Behavior Technician​

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Derez D., RBT

Behavior Technician​

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Fernando O., RBT

Behavior Technician​

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Claire M., RBT

Educational Assistant

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Leon F., RBT

Behavior Technician​

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Jess L., RBT

Behavior Technician​

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Meg I., RBT
Pursuing Board-Certification

Behavior Technician​

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Carmelo C.

Behavior Technician​

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Faith A. 

Behavior Technician​

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Desire B.

Behavior Technician​

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Adam B., RBT

Behavior Technician​

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Jude M., RBT

Behavior Technician​

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Natalie B.

Behavior Technician​

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Trey L.

Behavior Technician​

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Charlie R., RBT

Behavior Technician​

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Theresa L.

Behavior Technician​

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Kayla V.

Behavior Technician

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Gill R.

Behavior Technician

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Jordyn C.

Behavior Technician

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ShaeLoren H.

Behavior Technician

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Naomie L.

Behavior Technician

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Brooklyn P.

Behavior Technician

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Lacy D.

Behavior Technician

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Mel A., RBT
Pursuing Board-Certification

Behavior Specialist

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Kira A., RBT
Pursuing Board-Certification

Behavior Specialist

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Emma H., RBT
Pursuing Board-Certification

Behavior Specialist

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Helen R., RBT
Pursuing Board-Certification
 

Behavior Specialist

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Kendall M., RBT
Pursuing Board-Certification

Behavior Specialist

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Claire S., RBT
Pursuing Board-Certification

Behavior Specialist

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Anthony F., RBT

Educational Specialist

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Quay H., RBT

Behavior Technician​

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Gerhome W.

Educational Assistant

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Maddy B.

Behavior Technician​

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Alex R., RBT

Behavior Technician​

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Aria B., RBT

Behavior Technician​

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Nik W., RBT

Behavior Technician​

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Ryan W.

Behavior Technician​

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Jay S., RBT
Pursuing Board-Certification

Behavior Technician​

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Tess V.

Behavior Technician​

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Roslyn B.

Behavior Technician​

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Gaga H.

Behavior Technician​

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Haiden I.

Behavior Technician​

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Allie C.

Behavior Technician​

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Jackie E.

Behavior Technician​

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Ari L.

Behavior Technician​

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Savannah B.

Behavior Technician​

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Cyrsta C.

Behavior Technician​

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Taylor K. 

Behavior Technician

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Will K. 

Behavior Technician

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Hope T.

Behavior Technician

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Lyndsey L.

Behavior Technician

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Gregory F.

Behavior Technician

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Izzy C.

Behavior Technician

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Maggie O.

Behavior Technician

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