top of page
ornge%20gradient_edited.png

Our Growing Team

Nice to Meet You!

Management Team
emily white headshot 3.jpg

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.  

maddie.png

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 and 2 pups. 

elton.jpg

Ms. Elton, DO.g.

Unofficial Mascot

Elton is a 9-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​
Screenshot 2024-01-12 144352.png

Cody Henry

Administrative Coordinator - Evoke South

Diane pic.jpg

Diane Lucas

Scheduling & Intake Coordinator

Cheyenne Z.jpg

Cheyenne Zabel, RBT

Administrative Coordinator - Evoke North

Coming Soon yellow.png

Matt Ledesma

Maintenance & Facilities Technician

Clinical & Educational Team
natalie pic.jpg

Natalie Castelluccio, MS, BCBA

Day Treatment Director - Evoke North

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!

Mary pic.jpg

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!

Sam Pic.png

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.

Eliza Pic.png

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.

Cheyenne M pic.png

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.

E. LeFever pic.jpg

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. 

Alex E pic.jpg

Alex Elfont, MS, BCBA, LABA

Clinical Supervisor

Alex is a Board Certified Behavior Analyst and Licensed Applied Behavior Analyst. After receiving his Bachelor's degree in Psychology from Temple University in 2015, Alex started as a teacher at The New England Center for Children, working with individuals with ASD. He went on to receive his MS in Applied Behavior Analysis from Western New England University in 2020. In his free time, Alex enjoys exercising and watching horror films!

N. Burns pic.png

Nathan Burns, MA, BCBA

Clinical Supervisor

Nathan is a Board Certified Behavior Analyst who has been working with children on the Autism Spectrum since 2016, and practicing Applied Behavior Analysis since 2019. Nathan holds a Master’s Degree in Special Education and is passionate about helping kids learn and achieve their goals in a way that is meaningful, productive, and enjoyable for them. Nathan has experience providing ABA therapy in a home, school, as well as center-based setting. Clinically, Nathan specializes in working with early intervention kiddos, as well as kiddos with severe challenging behaviors on the Autism Spectrum.

Sadie B.jpg

Sadie Holler, MA, BCBA

Clinical Supervisor

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. 

D. Martinez updated pi.png

De'Angelo Martinez, M.Ed, BCBA

Clinical Supervisor

DeAngelo is a Board-Certified Behavior Analysis and has been practicing Applied Behavior Analysis since 2021. DeAngelo has a master’s degree in special education from the University of Colorado Denver and was certified in 2023. Clinically, DeAngelo has experience in working with children and school aged adolescents across the autism spectrum on living skills and severe challenging behavior. He additionally enjoys supporting in the training of therapists existing or just entering the field of ABA. During his free time, DeAngelo likes to spend time with his family, pup, and playing video games.

Berkeley pic.jpg

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.

megan pic.jpg

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.

Myste Pic updated.png

Myste Hayes, MS, BCBA

Clinical Supervisor

Myste is a Board Certified Behavior Analyst and has been practicing Applied Behavior Analysis since 2019. Myste has a Master's Degree in Applied Behavior Analysis. Her passions include working with clients of all ages and backgrounds. She takes pride in advocating for cultural sensitivity, and loves helping address the cultural barriers in Applied Behavior Analysis. In her free time, Myste loves being a plant parent, and traveling the world.

K Brasher WEbsite picture.png

Karah Brasher, MA, BCBA

Clinical Supervisor

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.

Sophia pic.jpg

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.

MDunn pic.jpg

Megan Dunn, MATSPED

Licensed Special Education Teacher

Coming soon!

Behavior Specialists & 
Behavior Technicians
Shae  pic.jpg

Shaelagh N., RBT
Pursuing Board-Certification

Behavior Specialist

Claire W. pic.jpg

Claire W., RBT
Pursuing Board-Certification

Behavior Specialist

Grace U pic.jpg

Grace U., RBT
Pursing Board-Certification

Behavior Specialist

Rachael Pic.jpg

Rachael H., RBT
Pursuing Board-Certification

Behavior Specialist

Emma pic.jpg

Emma H., RBT
Pursuing Board-Certification

Behavior Specialist

A%20fortner%20photo_edited.jpg


Anthony F., RBT

Educational Specialist

Haley J pic.png


Haley J., RBT

Behavior Technician II

S. Ayala-Martinez Pic.jpg


Steven A., RBT

Behavior Technician II & Facilities Technician

Gerhome pic.jpg


Gerhome W., RBT

Educational Assistant

Derez D pic.jpg


Derez D., RBT

Behavior Technician II

Liz pic.jpg


Liz M.

Behavior Technician I

Rotelle Pic.jpg


Rotelle' W., RBT

Behavior Technician I

Alex R pic.jpg


Alex R.

Behavior Technician I

Aria B pic.jpg


Aria B.

Behavior Technician I

Nic pic_edited.jpg


Nik W.

Behavior Technician II

Jake Pic.jpg


Jake D.

Behavior Technician I

Coming Soon yellow.png


Meg I.

Behavior Technician II

B_edited.jpg


Brianna O.

Behavior Technician I

Coming Soon yellow.png


Kevin V.

Behavior Technician I

Tom C. pic.jpg


Tom C.

Behavior Technician I

Amanda H pic.jpg


Amanda H.

Behavior Technician I

Mel A. pic.jpg


Mel A.

Behavior Technician II

Emily B pic.jpg


Emily B.

Behavior Technician II

Faith pic.jpg


Faith A. 

Behavior Technician I

Coldn pic.jpg


Colden D. 

Behavior Technician II

Lindy S pic_edited.jpg


Lindy S., RBT
Pursuing Board-Certification

Behavior Technician II

Josh C pic.jpg

Josh C., RBT
Pursuing Board-Certification

Behavior Specialist

Colleen pic_edited.jpg

Colleen T., RBT
Pursuing Board-Certification

Behavior Specialist

Marilyn pic.jpg

Marilyn G., RBT
Pursuing Board-Certification

Behavior Specialist

Zoe pic.jpg

Zoe B., RBT
Pursuing Board-Certification

Behavior Specialist

Amber pic.jpg


Amber M., MBA, BCAT

Behavior Technician II

QH pic.jpg


Quay H.

Behavior Technician II

carlie pic.png


Carlee K., RBT

Behavior Technician II

Kate N Pic.jpg


Kate N.

Behavior Tech II

Kaile E pic.jpg


Kaile E.

Behavior Tech I

Maddy B pic.jpg


Maddy B.

Behavior Technician I

Coming Soon yellow.png


Fernando O.

Behavior Technician I

Claire M pic.jpg


Claire M.

Behavior Technician I

Leon Pic.jpg


Leon F.

Behavior Technician I

Jessica_London_Pic.jpg


Jess L., RBT

Behavior Technician II

Coming Soon yellow.png


Ryan W.

Behavior Technician I

J.Stark pic.jpg


Jay S.

Behavior Technician I

B. Swett pic.jpg


Bayli S.

Behavior Technician II

Alex D. pic.jpg


Alex D.

Behavior Technician II

carmelo pic.png


Carmelo C.

Behavior Technician I

E. Bird_profile pic_.jpg


Ethan B.

Behavior Technician I

Coming Soon yellow.png


Haleigh S.

Behavior Technician I

Tess V. pic.jpg


Tess V.

Behavior Technician I

K. Miller pic.jpg


Kendall M.

Behavior Technician I

bottom of page