About Us

Board Certified Behavior Analysts and Board Certified Assistant Behavior Analysts

Manuela Woodruff
Founder / Clinical Director / Board Certified Behavior Analyst

Manuela holds a Master of Science degree in Psychology with a concentration in Applied Behavior Analysis from Jacksonville State University, Alabama and is a Board Certified Behavior Analyst. She received extensive training in Verbal Behavior programs and the treatment of severe behaviors at the Marcus Autism Center in Atlanta, GA.

In 2009, she founded Applied Behavioral Consulting, LLC to provide quality services to individuals with developmental disorders of all ages. Using various models including staff and parent training, consultation, and direct therapy, she has offered services in the family’s home, schools, clinics, daycare centers, residential programs, and day habilitation centers.

Manuela is a member of the Association for Behavior Analysis International (ABAI), the Association of Professional Behavior Analysts (APBA), and the Georgia Association of Behavior Analysis (GABA).

She has two daughters.


Stacy Cleveland
Assistant Clinical Director / Senior Board Certified Behavior Analyst

Stacy Cleveland MS, BCBA received her master’s in Applied Behavior Analysis from Auburn University in 2010. During her practicum she gained experience at an early intervention preschool, a residential program for adolescents with developmental disabilities and a public school district. Her fellowship was completed through the Georgia Department of Behavioral Health and Developmental Disabilities where she severed as a regional behavior analyst.

Stacy was a Behavioral Clinical Practitioner in the Language and Learning Clinic at Marcus Autism Center from 2012-2017. She provided intensive one-on-one and small group services based on the science of applied behavior analysis (ABA).

Stacy is passionate about teaching language skills to children with Autism, reducing challenging behaviors and equipping parents to implement ABA strategies at home.

Stacy Cleveland

Kathryn Short
Senior Board Certified Behavior Analyst / BCBA Supervision Experience Coordinator

Kathryn Short is a Senior Board Certified Behavior Analyst with Applied Behavior Consulting. She is the company’s BCBA Supervision Experience Coordinator, overseeing all candidates within ABC that are working toward a BACB credential. Kathryn also provides parent consultations for family’s interested in starting or maintaining use of communication devices or other forms of Augmentative or Alternative Communication.

Kathryn holds a Bachelor’s and Master’s Degree in Special Education from the University of Georgia; she was formerly a certified Special Education teacher in the state of Georgia. Kathryn received her Master’s as part of the Collaborative Personnel Preparation in Autism (COPPA) project with a specific focus in elementary-aged students on the Autism Spectrum. She started working with children with Autism in 2007 as a behavior therapist in home-based ABA programs in Athens, Georgia.

Before joining Applied Behavioral Consulting in 2015, Kathryn lived in Nashville, Tennessee where she worked as a behavior analyst for 3 years at a private ABA company. At this position, she provided comprehensive ABA consultation in the home and school setting to children and adolescents, aged 2-12, with a focus on verbal behavior, academic, pre-vocational, and self-care skills. Kathryn also provided ongoing training and supervision to Nashville-area school district staff, parents, caregivers, and therapists. Before moving to Nashville in 2012, Kathryn taught special education in Gwinnett County in a K-2 classroom, serving students with mild ASD. She is currently a member of the Association of Professional Behavior Analysts (APBA) and the Georgia Association of Behavior Analysis (GABA).

Kathryn Short

Crystal Phillips
Board Certified Behavior Analyst

Crystal holds a Master’s of Science degree in Special Education with an emphasis in ABA and is a Board Certified Behavior Analyst. Crystal has been practicing behavioral management techniques, discrete trials teaching (DTT), and verbal behavior programs since 2006. She has helped people overcome both severe and mild developmental, emotional and behavioral challenges. She has worked with both children and adults with autism as well as typically developing children struggling with behavioral difficulties. Crystal customizes her programs to the individual needs of each child, and excels in managing crises and performing successful behavioral interventions. She is also a member of the Association for Behavior Analysis International.

View More: http://annakellyphotography.pass.us/cfvalitus

Melanie Sugar
Senior Board Certified Behavior Analyst

Melanie holds a Master of Science degree in Applied Behavior Analysis from Auburn University and is a Board Certified Behavior Analyst. She has always had a passion for working with individuals with developmental disabilities. She became interested in behavior analysis after babysitting for several children with Autism in high school. She pursued her passion as a special needs camp counselor and ABA tutor while in undergraduate school at the University of Georgia. In graduate school, she had the opportunity to participate in many different practicums including working at an early intervention preschool, teaching a parenting class thorugh DHR, working at a residential school for teens, and consulting in a public school.

In 2010, Melanie accepted a fellowship position with the Georgia Department of Behavioral Health and Developmental Disabilities as a Regional Behavior Analyst. This position involves overseeing behavior supports within her region. Melanie continues to work part time with the state and part time as a Behavior Analyst Consultant. She is an active member in the Georgia Association for Behavior Analysis and has held many leadership positions within the organization.

Melanie enjoys spending time outdoors with her husband and children on her time off.


Tiffani Warren
Board Certified Behavior Analyst

Tiffani is a graduate of the University of Georgia. She holds an undergraduate degree in Human Development and Family Science and a Master’s degree in Special Education with an emphasis in Adapted Curriculum and Autism. Tiffani has worked with children with special needs since 2015 as a special education paraprofessional, teacher, and directly in ABA. She has worked with children with autism, mild to moderate intellectual disabilities, and vision impairments. Her first job as a paraprofessional sparked her desire to continue her education in special education and applied behavior analysis. Through her master’s program, Tiffani gained valuable experience working in UGA’s Center for Autism and Behavioral Education Research. Her work with the center included clinical work focused on promoting social communication in young children with autism and working in model special education classrooms for students ranging from Kindergarten through 5th grade in Clarke County Schools. Tiffani is passionate about helping children achieve independence and success in their daily environments.

Tiffani Warren

Jonas Jenkins
Board Certified Assistant Behavior Analyst

Jonas began working with children on the Autism Spectrum in 2003 as a research manager and classroom coordinator for the Pre-K classroom at the Walden School of the Emory Autism Center. Over the years, he has served as a resident counselor at the United Methodist Children’s Home, a personal caregiver for adults with developmental disabilities, and a 1:1 ABA therapist. He has worked with individuals ranging from age 2 through age 67. He specializes in social skills training, treatment of severe behavior, and parent consultation. Jonas received his Bachelor’s Degree in Psychology from Emory University and is a Board Certified Assistant Behavior Analyst. He is a member of the Association of Behavior Analysis International.

Jonas provides verbal behavior programs, school consultations, and parent training in Athens, GA and the surrounding area.


Sunita Joshi
Board Certified Assistant Behavior Analyst

Sunita Joshi volunteered with children with special needs in 2002 in India. After moving to the USA in 2005, she continued to work with children with autism at the Emory Autism Center on a volunteer basis. In 2008, she joined the May Institute and worked as a home-based therapist. Sunita joined the Marcus Autism Center in 2010 as behavior technician and was promoted to the position of Clinical Specialist in 2013. She left Marcus in June 2015 to join Applied Behavioral Consulting. Sunita is a Board Certified Assistant Behavior Analyst.

Sunita 1


 Jesse Arias, RBT

Jesse is a graduate of Marymount California University and holds a Bachelors degree in Psychology. Jesse currently holds a Registered Behavior Technician (RBT) Certificate.  He has worked with kids for 9 years and children with special needs/autism for the past 4. In 2008, he started out at the Montecito Heights Recreation Center of Los Angeles, CA as a youth coach. Then in 2010 while pursuing his BA at MCU he volunteered at the Boys & Girls Club of America of San Pedro, CA as an activities instructor. In 2012 he found himself at Ride to Fly an Equine assisted therapy program for children with special needs. This is where he found his calling of for lack of better words something he could do for the rest of his life.

From then on until the moment he graduated he volunteered at this center. After that he started working at Behavior Frontiers of Orange County, California a company providing ABA services for children diagnosed on the spectrum. This is where he excelled along with many of his coworkers. Soon after starting with Behavior Frontiers he was promoted to a Sr. Behavior Therapist. Being recognized for his specific adaption to environments and teaching ability to children with specific needs. Jesse is pursing a Masters in Applied Behavioral Analysis with an emphasis in Autism and hopes to start in the spring of ’17, then soon after sit for the BCBA exam.


Amber Baldwin

Amber is a graduate of the University of Alabama where she studied Dance and Human Development. Amber has always had an interest in helping children and adults with special needs. She began her work with children with autism as a volunteer/intern with several organizations including the ABC of NC Child Development Center, The Help Group, and The Miracle Project. Where she assisted with after school programs and summer and winter camps in Los Angeles, California. Amber has gone on to become certified in Autism Movement Therapy and the Dance For All movement therapy curriculum. After a year in California, she moved back to the South to be closer to family and friends. Amber is currently pursuing her Master’s degree in ABA from Arizona State University and will graduate fall of 2018. She plans to sit for the Board’s exam and become a BCBA.

Amber Baldwin

Amelia Bemis

Amelia graduated with her Bachelors in Science in Psychology from Lawrence University in 2016.  Amelia has always loved, and worked with children for several years at a daycare center while earning her degree.  Since graduating, her career track has taken several routes including working in a suicide crisis center, and as an intern at the Georgia Aquarium.  She discovered the world of ABA in August of 2018.  Amelia is currently studying to receive her Registered Behavior Technician (RBT) Certification.

Amelia Bemis

 Emily Bradbury, RBT

Emily graduated in 2015 from the University of South Carolina with a BA in Visual Communications and a minor in Psychology.
While pursuing her undergraduate degree, she worked with children at EdVenture Children’s Museum as a program guide to inspire learning and creativity. This is when she grew passionate about working with kids.
Since graduating, Emily has worked with children diagnosed on the autism spectrum for four years. She began as a Line Therapist at The Early Autism Project in Columbia, South Carolina where she worked one-on-one with children on academic, social, language, adaptive, and motor skills. After a year at EAP, she was promoted to Lead Therapist at Project Hope in Greenwood, South Carolina where she aided in parent and therapist training. In 2016, she received her Registered Behavior Technician (RBT) certification.
Emily has now relocated to Athens, Georgia and is pursuing her Master’s of Education in Professional Counseling at the University of Georgia.

Emily Bradbury

Maria Carrero, RBT

Maria graduated with a Bachelors Degree in Spanish. She has 5 years experience working in Special Education and 8 years experience working with children. She has worked in the Forsyth, Dekalb and Gwinnett County school system. Maria is currently a certified Registered Behavior Technician (RBT). She finds working in the ABA field to be incredibly fulfilling,  and impactful. She lives by the saying, “Leave your mark on the world and put a bit of yourself into everything you do”.

Maria Carrero

Sona Chengala, RBT

Sona graduated with her Bachelors’ in Psychology from Emory University. She has been working with children since she was a student in high school, working as a tutor and part of the Americorps Jumpstart program. She started working at the Emory Autism Center while pursuing her bachelors’ degree. After graduating, she started working as a preschool teacher, and soon after as a therapist with ABC. She has continued to gain experience in ABA and is currently working towards obtaining her (Registered Behavior Technician (RBT) certification. She looks forward to continuing her passion for working with children with ASD in her future. 

Sona Chengala

Alexis Crawford

Alexis is a graduate of Savannah State University with a bachelor’s degree in Behavior Analysis with a minor in Business Management. Her interest in ABA grew while in college during an internship with Reaching Milestones where she learned the strategies of behavior reduction, improving social skills and language acquisition skills with children aging from 3-18 years old. Alexis is currently enrolled at Ball State University pursing her Master’s of Arts in Applied Behavior Analysis in hopes of becoming a BCBA. She has hopes of starting her own practice to provide direct services that include ABA, speech, and occupational therapy. Her hobbies include traveling, writing poetry and participating/planning family events.

Alexis Crawford

Amy Davis, RBT

Amy is a graduate from the University of Georgia where she received a Bachelor of Science in Psychology. Amy currently holds a Registered Behavior Technician (RBT) Certificate. She is enrolled at the University of Cincinnati and is on track to graduate with her Master’s in Special Education: Applied Behavior Analysis in December 2020. She then hopes to sit for the BCBA exam by March 2021.

Amy was a research assistant for a year in Dr. Ronald Blount’s Pediatric Psychology lab at UGA. This allowed her involvement in many studies and hands on research at Camp Twitch and Shout. She also enjoyed running a Special Needs Bowling League for 2 years where she interacted closely with children and young adults. Amy is dedicated to enhancing the lives of children and their families. During her free time she enjoys riding horses, making functional pottery, and playing the piano.

Amy Davis

Dustin Donaldson

Dustin is a graduate of Piedmont College with a Master’s Degree in Special Education. He currently works as a special education teacher with Gwinnett County Public Schools, and works with individuals with moderate Autism in the school setting. He has had a passion for individuals with disabilities since he graduated from college with his undergrad degree and got his first job as a paraprofessional, soon after becoming a teacher. He is currently seeking his Master’s in ABA from Purdue and hopes to finish his coursework soon. Afterwards, he will sit for his Board’s exam to become a BCBA.


Whitney Dyer

Whitney received her Bachelor of Arts in Communication Studies and Sociology from Samford University, her Masters of Arts in Special Education from Georgia Southern University and has been teaching for seven years. She began teaching preschool at Glenwood Autism and Behavioral Health Center in Birmingham, Alabama where she first received ABA training and worked alongside BCBAs to provide ABA based services in the classroom. She has taught preschool, elementary and middle school in the public school systems, teaching students with ASD, ID, and developmental delays.

Whitney Dyer1

Emily Epperson

Emily earned a Bachelor of Arts degree in Psychology with a minor in Educational Studies from Wesleyan College in 2011. She went on to earn a Master of Science in Family Therapy from Mercer University School of Medicine in 2014. She is currently working towards becoming a licensed Marriage and Family Therapist. Emily began working with children with ASD and EBD while completing student teaching during her time at Wesleyan College. Emily developed a desire to work with ASD during her ndergraduate studies. She hopes to apply her MFT background to ABA while focusing on becoming a Registered Behavior Technician and later becoming a Board Certified Behavior Analyst.


Brooke Evans, RBT

Brooke received her degree in human services from Duluth Business University, in Duluth Minnesota. She has volunteered at an after school program, and The Boys and Girls Club. Brooke’s desire to work with children on the spectrum was sparked while she was a full time nanny for a family with a child with autism. Brooke relocated to Atlanta for more opportunities to work in the field of Applied Behavior Analysis (ABA). Brooke is currently Registered Behavior Technician (RBT), she plans to return to school to further her education.

Brooke Evans

Latifah Hall

Latifah earned a Bachelor of Arts in Psychology from Clark Atlanta University in 2012 and a Master of Arts in Psychology from Pepperdine University in 2015. Since 2011, Latifah has been working with individuals ages 2-25 diagnosed with developmental delays. She has experience working in a variety of settings, such as clinical, in home, as well as, in the community. Latifah has 2 years experience providing supervision to behavior therapists in the Los Angeles Unified School District where she created treatment plans, attended IEP meetings, and attended and conducted parent and caregiver trainings. Latifah has a passion for working with children and their families. She plans to go to medical school to become a child and adolescent psychiatrist.

Latifah Hall

Maila Heu

Maila graduated Summa Cum Laude from Point University with a Bachelor’s degree in Psychology. She has over 4 years of experience working with children diagnosed with ASD and other developmental disorders. She has assisted with program development and has participated in research protocols in the past. Maila has provided ABA therapy to children in a variety of settings including clinic, home, and school. She sincerely enjoys being a part of her client’s life as well as seeing her clients grow and learn.

Maila Heu

Abegayle Isip, RBT

Abby is a graduate of Georgia State University and holds a Bachelor’s degree in Psychology.  She also has an Associate’s Degree in Nursing and has been working with children since 2010.  She started out at Children First Pediatric Clinic in Augusta, GA where she fell in love with working with children.  While pursuing her studies, she volunteered at Chastain Horse Park and Peachtree Orthopedic Clinic where she worked closely with skilled Physical Therapists and Occupational Therapists who provided therapy sessions for children with special needs/autism.  Since volunteering, she has become fascinated with autism and fallen in love with the Autism community.  Abegayle is a current Registered Behavior Technician (RBT).

Abegayle Isip 2

Sara Katasak, RBT

Sara obtained her Bachelors degree in Psychology from Kennesaw State University. While in college, Sara interned with a BCBA, where she found a passion for ABA. Aside from ABA, Sara also has experience with nannying various children both on and off the spectrum.

In her free time she enjoys being outdoors and trying new foods! Sara is currently a certified Registered Behavior Technician (RBT).

Sara Katasak1

Lizzi Kirk

Lizzi graduated in 2014 from the Florida State University with a BA in Psychology and a minor in Family and Child Sciences. She is currently working towards her Masters Degree in Special Education, with a concentration in Behavior Analysis, at the University of West Florida. Lizzi has been working with children diagnosed on the autism spectrum for the past four years. In 2015 she received her Registered Behavior Technician (RBT) certification. Throughout her time as a RBT she has provided 1:1 services in the home, school, and clinic setting for children between the ages of 2-16. She has also lead social groups and worked with BCBA’s on program development. Lizzi has always had a passion for working with children and is excited to continue to grow and learn in this field.

Lizzi Kirk

Lauren Ryckman

Lauren holds a Bachelor’s degree in Education from Emory University and a Master’s degree in Counseling with a concentration in Applied Behavior Analysis. She began working with children on the Autism Spectrum in 2007 as an assistant teacher at the Walden School of the Emory Autism Center. Lauren has continued to work in a variety of clinical and educational environments providing ABA services to individuals and families. She is dedicated to the success of her clients and supporting each individual’s specific needs. Lauren completed her Advanced Applied Behavior Analysis coursework in 2015 and plans to become certified as a BCBA.


Gina Schultz

Gina holds a Bachelor’s Degree in History, and is currently pursuing a Master’s in Special Education with a concentration in Autism. She plans to graduate in December 2019. Gina worked as a special education paraprofessional for 5 years. In 2016, she was trained by a BCBA to work with students on the autism spectrum.

“An ABA program’s success makes life-changing differences in a child. My main purpose for each client is to help him/her have the most independent, quality of life possible by knowing how to express his or her needs and desires appropriately and independently so they can be fulfilled.”

Gina Schultz

Jendera Smith

Jendera completed her Bachelor’s degree in Psychology in 2011 from Piedmont College. She obtained her Master’s degree in Psychology with a specialization in ABA in 2016 from Capella University. Jendera has always enjoyed working with individuals with special needs. However, her passion and long term goal has been to work with children diagnosed with ASD. She’s worked with adults and children with intellectual and developmental disabilities for over 7 years. In 2012, she began providing direct care to adults with IDD in day programs and residential settings. She trained and assisted (groups and individuals) in daily living skills and developing community based activities that addressed skills ranging from motor, socialization, communication, lifelong learning, and employment. In 2017, Jendera was promoted to Social Services Program Coordinator and began managing adult day programs in Barrow, Jackson, and Clarke Counties. She analyzed individual programs during planning, implementation, and follow-up to verify quality and ensure activities/services achieved stated objectives and outcomes. In 2016, Jendera begin working part-time as a teacher and behavior specialist. She taught early learning skills to toddlers ages (28 months to 4 years old); organized and implemented daily activities following a planned curriculum; and observed, assessed, and provided support to children with emotional and behavioral challenges.

Jendera is currently working towards becoming a BCBA.

Jendera Smith

Yasmin Wali

Yasmin Wali began working with children on the autism spectrum in 2008. While receiving her Bachelor’s degree in Child and Adolescent Development from California State University Northridge, she began working at FirstSteps for Kids in Hermosa Beach, California. While at FirstSteps she provided clients with both school and in-home therapy, focusing on the acquisition of new skills and the reduction of challenging behavior for children ages 2-10 years. Before relocating to Georgia, she earned her Master’s degree from Loyola Marymount University in Educational Studies. She is currently beginning her coursework at the Florida Institute of Technology with plans to become a BCBA by the end of 2017.


Alex Wallace, RBT

Alex is a graduate of the University of California Riverside and holds a Bachelor degree in Theater and Performing Arts. While at UCR, Alex received a grant through the Gluck Fellowship to create and teach classes about different elements of theater to local, inner-city schools. After graduating, Alex worked for one of Southern California’s largest ABA companies, Autism Behavioral Consultants, based in Los Angeles. During her tenure, she completed a comprehensive 90-day training program, provided in-home and at-school services, and began developing programs for clients before moving to Georgia to be closer to family. Alex finished her coursework requirements through Florida Institute of Technology and plans to become certified as a BCaBA.


Mariah Wilson, RBT

Mariah is a graduate of the University of North Carolina at Greensboro with a degree in Psychology. She has always expressed a strong desire to aid those on Autism Spectrum Disorder. This passion drove her to volunteer at Speech Pathology Services in Atlanta GA , where she assisted in summer camps for children with cognitive and developmental disabilities. While working alongside Pediatric Occupational Therapists and Speech Pathologists, Mariah grew an even stronger love for working with children.

Processed with VSCO with t1 preset


Shaun Geist
Operations Manager

Shaun holds an undergraduate degree in Education and a Master’s in Business Administration with a concentration in Finance. Shaun began his career with the public school system in 2003. In 2011 he began working for TOTAL Programs, in Southern California, specializing with children on the Autism Spectrum, providing direct ABA services. In 2013 he became a Supervisor for TOTAL Programs where he thrived on parent training and program development.

In addition to his ABA experience, he has multiple years of experience working with various businesses providing strategic and tactical support. After relocating to Atlanta, Shaun joined Applied Behavioral Consulting in 2015.


Barbara Nakan
Accounts Receivable and Payroll Manager

Barbara Nakan has been a part of the ABC team since 2013.  As the Accounts Receivable and Payroll Manager, her most frequent tasks include billing and insurance claims.  She grew up and was educated in South Africa, and has called Atlanta home for 16 years.  Barbara loves animals and enjoys spending time with her family.

Barbara Nakan