Director, Program Operations

ABA Therapy is a growing team of people expanding to meet the needs of children with Autism Spectrum Disorder in the southern Mississippi area. The program director works closely with our other Board Certified Behavior Analysts and Registered Behavior Therapists (RBT) to provide a growing variety of services in an expanding number of locations.


Board Certified Behavior Analyst (BCBA)

The BCBA will be responsible for conducting the initial evaluation/assessment, program development, initial parent training, and overseeing the program for each child. This includes periodic direct supervision of Implementers during sessions and parent training.  A BCBA is a master’s level clinician who has undergone

ABA course work, on-site practice, and supervision, and has passed the Behavior Analyst Certification Board exam and is licensed by the State of Mississippi to provide Applied Behavior Analysis Services.


Registered Behavior Technician (RBT)

The RBTs are responsible for the implementation of the program. They will be working one on one with the child. RBTs have at least a Bachelor’s in Psychology or a related field and have received formal training in ABA through MCARDD. Implementers also receive intensive training by a BCBA and BCaBAs prior to working with any child, and continuous supervision once assigned to a child.

Wayne Williams, Ed.S., BCBA, LBA

Wayne Williams is the Executive Director of Clinical Operation for the Mississippi Center for Autism and Related Developmental Disabilities.  He has worked with individuals, who have Autism, since 2001.  His University degrees include a Specialist Degree in Education, a M.S. in Special education with a specialization in working with emotional behavior disorders, and a M.S. in Curriculum and Instructional Design with a Specialization in Autism.  Mr. Williams is also a board-Certified Behavior Analyst and is licensed to practice Applied Behavior Analysis in the states of Mississippi and Alabama.  Wayne Williams’ research regards how environmental factors affect individuals who have Autism, how reinforcement can be used to teach complex behaviors to children who have moderate levels of Autism, and how methods of remote teaching, of behavioral intervention to parents, affects behavior change outcomes in individuals with high functioning Autism.  Additionally, his hobbies are woodworking and US History.  Wayne Williams is happily married and has five children and six grandchildren.

Kristin Webb

Kristin Webb has been caring for others since 1999.  Her volunteer experience includes an array of mentoring and organizational skills, which she incorporates in her profession, as a Behavior Facilitator.    She attained an Associate’s Degree from the Mississippi Gulf Coast Community College in 2003.  Thereafter, she attained her Bachelor’s of Science Degree in Psychology and a Minor in Criminal Justice from The University of Southern Mississippi.  Mrs. Webb’s passion as a behavior facilitator is to improve the student’s behavior in all of their surroundings.  Her association with Autism Spectrum Disorder (ASD) is very personal.  She has a brother with Autism.  This blessing influenced her work with families who experience the many joys and struggles of ASD.  Kristin believes that families with Autism need adequate education in support for their ability to help improve the behavior and social interactions of their loved one.  Thus, Kristin Webb strives to support families affected by Autism and make sure all interventions and therapies are understood and implemented at home.  Currently, Kristin serves as the Office Manager and a Registered Behavioral Technician (RBT) for the Mississippi Center for Autism and Related Developmental Disabilities. Her hobbies include cooking, pottery, and enjoying her family. Kristin is an Office Manager for Kristin is happily married and resides in Petal, MS

Donna Holland Joachim

Donna Joachim is one who is committed and devoted to the support and advancement of the Autistic Community.  Having a niche for education, Ms. Joachim successfully attained a Bachelor’s Degree in Elementary Education, as well as a Master’s Degree in Special Education, from The University of Southern Mississippi.  She has 32 years of educational experience in the Harrison County and Biloxi School Districts.  Additionally, Donna Joachim is proficient of various educational disciplines including: Treatment and Education of Autistic and related Communication Handicapped Children (TEACCH), Applied Behavioral Analysis (ABA), and Augmentative Communications Systems.  Currently, Donna Joachim serves as the Director of Education Outreach and as an Registered Behavioral Technician (RBT), employing multifaceted approaches through the use of Autistic enabling techniques and technologies, that support the development of the whole child.

Emma Smith

Emma Smith has been involved in early child development and education in multiple aspects for over 40 years.  Her volunteer involvement consists of caring for children, creating activities, and developing a safe and healthy environment for all children.  She also ran her own daycare for over ten years.

Emma studied Early Childhood Education at Lawson State Junior College in Birmingham, Alabama, and Prince George Community College in Largo, Maryland.  She received her national Child Development Associate Credential in the early 1990’s.

Currently, Emma serves as a receptionist for the Mississippi Center for Autism and Developmental Disabilities.  She enjoys encouraging families of children with disabilities.  Her hobbies include cooking, creating floral arrangements, shopping, and enjoying her grandchildren.

Katelyn Martin

Katelyn Martin is a Registered Behavior Technician at the Mississippi Center for Autism and Related Developmental Disabilities.  She has two years of experience working with children in the field of Applied Behavior Analysis providing direct ABA therapy in the 1:1 clinical setting.  She also assists with conducting and writing Functional Behavior Assessments and Behavior Intervention Plans, delivers parent and family training, graphs and analyzes data, coordinates services with other providers, and performs assessments for Autism Spectrum Disorder.  Katelyn is passionate about using ABA to create meaningful, functional behavior change in children to improve and enrich their lives in all areas.  Her special interests include reducing maladaptive behaviors such as aggression and tantrums and increasing functional verbal behavior.

Katelyn graduated in April 2014 with a B.S. in Psychology from Columbia Southern University and in December of 2017 with a M.S. in Applied Behavior Analysis and Autism from the Sage Colleges.  She plans to take her certification test to become a Board Certified Behavior Analyst in May 2018.  Her past volunteer work includes serving as a Court Appointed Special Advocate (CASA) for children in Harrison County.  She lives in Gulfport, MS, with her husband and two children, Ben and Lilly.