Avirett Psychological
Meet the Team

Dr. Jesseca Jackson
Post-Doctoral Psychology Extern
Dr. Jesseca Jackson, Ph.D. is currently completing her post-doctoral psychological fellowship under the supervision of Dr. Erin Avirett. She also holds her Licensed Specialist in School Psychology (LSSP) license. Dr. Jackson graduated from Texas Tech University with her Ph.D. in School Psychology in May 2023. She completed her M.Ed. in Educational Psychology with a concentration in School Psychology in 2020 from Texas Tech. She graduated from the University of Texas with a B.A. in Applied Learning and Development in 2004. While at Texas Tech, Dr. Jackson completed her certification as a therapist in Parent-Child Interaction Therapy (PCIT). She has several scholarly publications and conference presentations centered around her research interests of traumatic stress response, peer relations in children and adolescents, PCIT, and adverse childhood experiences. Dr. Jackson served on the Graduate Academic Affairs Committee while at Texas Tech and also served as a board member for the Texas Association of School Psychologists (TASP). Additionally, she represented Texas Tech as a student leader for the National Association of School Psychologists (NASP). She enjoys spending time watching basketball and taking trips to Santa Fe, New Mexico with her husband and their two sons.
Dr. Jackson can be reached at Jackson@avirettpsychological.com

Dr. Kayla Witcher
Post-Doctoral Psychology Extern
Dr. Kayla Witcher, Ph.D. graduated with a bachelor’s degree in psychology and a master’s degree in education from Texas A&M University. She continued to obtain her Ph.D. in School Psychology from Texas A&M University in 2023. Dr. Witcher completed an American Psychological Association (APA) accredited internship at Lewisville Independent School District, where she engaged in psychological evaluations, academic and behavioral consultations, family therapy, crisis intervention, social skills training for students with autism spectrum disorders, group therapy, and counseling services. Dr. Witcher has had a variety of experiences serving individuals in public-school districts, private practice settings, and community mental health clinics. Dr. Witcher has conducted research into the impacts of social emotional competence and mentor self-efficacy on the quality of the mentor and mentee relationship. Dr. Witcher has conducted trainings for various mentor organizations throughout Texas to support and provide techniques for mentors to best support their mentees. She is supervised by Erin Avirett, Ph.D., LP, LSSP. Dr. Witcher was born and raised in Amarillo, Texas. She loves to spend time with her family and friends, especially her fun-loving husband, Jas, and her little boy, Ames. They are her biggest joy! She enjoys reading mystery books, decorating her home, and cuddling with her Sheepadoodle (Remington). Dr. Witcher has a heart for service and is passionate about children and the impact that they will make on our future.
Dr. Witcher can be reached at witcher@avirettpsychological.com

Arlene Cox
Administrative Assistant
Arlene has worked with Avirett Psychological since 2021, and is the administrative glue and heart of our practice! She handles the day-to-day operations of the office such as scheduling our patients, answering the phones and emailing our clients. Arlene is eager to be of service to ensure every person has a positive experience.
Arlene is married to her husband, Levi, and they have two beautiful daughters. She is native to Amarillo and a member of the Down Syndrome Diagnosis Network (DSDN) group. Arlene loves to spend time with her family in particular learning with her daughters. Her hobbies include cooking, knitting, and reading.
Arlene can be reached at arlene@avirettpsychological.com