About Us


DWC is located in Waxahachie, Texas, a community just south of the Dallas-Fort Worth metroplex area.  Our facility employs caring mental health professionals and administrative staff who are available and eager to answer your questions and address your concerns.


At DWC, our clinicians specialize in providing psychotherapeutic and assessment services to people who are in need of psychological support and assistance. Our areas of expertise include, but are not limited to:

  • Adult Psychology
  • Child and Adolescent Psychology
  • Play Therapy
  • Mood Issues
  • Women’s Issues
  • Spiritual Issues
  • Substance Abuse
  • Couple’s Therapy
  • Family Therapy

If you think we may be able to help, please do not hesitate to contact us.




Dr. Katherine Donaldson

Licensed Clinical Psychologist


Katherine Donaldson, PsyD is a clinical psychologist and the founding owner of Donaldson Wellness Center. She is an accomplished therapist and psychometrist who mentors and coaches other psychologists, post-doctoral fellows, pre-doctoral interns, and masters and bachelor psychology students. Dr. Donaldson developed Donaldson Wellness Center with the mission to provide comprehensive mental health care to individuals who experience psychological, emotional, and behavioral difficulties. Donaldson Wellness Center is committed to maintaining the highest professional standards of care while ultimately recognizing the individual needs of each patient they serve. Practitioners at Donaldson Wellness Center strive to provide a therapeutic environment where patients can grow as individuals. This is accomplished through the development of a trusting relationship with a caring professional who can assist them in understanding themselves and learning how to cope with stress and obstacles in their lives.

Dr. Donaldson received a Doctor of Psychology in Clinical Psychology and a Master of Science in Clinical Psychology from Baylor University in Waco, Texas. She completed her doctoral internship at the North Texas Veteran’s Health Care System, Dallas, Texas. She received an undergraduate Bachelor of Arts in Psychology from the University of Texas at Arlington, Texas. Dr. Donaldson has won numerous awards and distinctions such as Golden Key National Honor Society Chartering President and Outstanding Senior in Psychology Award (UTA). She is affiliated with The American Psychological Association, The Viktor Frankl Institute of Logotherapy, and The Dallas Psychological Association.

Dr. Donaldson is an expert in individual, family, couples, and group therapy. She offers group therapy for bereavement, cancer support, caregiver support, chronic pain, and mood disorders. Her experience with assessments is unparalleled in North Central Texas as she is capable of administering and supervising psychological testing to assess intelligence, achievement, learning disorders, personality, ADHD, developmental disorders including Autism Spectrum in children and adults, neuropsychological, dementia, law enforcement evaluations, and competency to stand trial full battery assessments. Dr. Donaldson has completed numerous workshops and presentations on topics such as Conflict Resolution, Communication Styles, Ethics, Empowering Others, Health Awareness, and Coping with Tragedy.


Dr. John Robert Skinner, Jr.

Licensed Clinical Psychologist

Dr. Skinner is a Licensed Clinical Psychologist with over 28 years’ experience in a variety of settings with a number of patient populations. He is a graduate of the University of Texas Southwestern Medical Center at Dallas. There, he also completed an APA Approved Clinical Internship, gaining experience with children, adolescents, adult outpatients and inpatients, juvenile offenders, pain management, and in the Parkland Memorial Hospital Psychiatric Emergency Room. Following graduation, he participated in a research program involving substance abusers and PTSD at the Dallas Veterans Affairs Medical Center before moving to Terrell State Hospital. Initially working as a Ward Psychologist, he was promoted to become the Unit Chief Psychologist for the Acute Unit and, later, the Unit Director for the Psychosocial Rehabilitation Unit. Dr. Skinner also served as assistant to the Director of Psychology and as chair of the hospital Psychology Internship Committee, on several hospital committees, and as the hospital representative to the statewide Psychosocial Rehabilitation Committee. Seeking a change of pace, Dr. Skinner joined a consulting company to work with Seniors in Long Term Care. Now, he maintains a full-time private practice and also works with residents of Group Homes, in addition to supervising interns. His areas of practice include Adults, Seniors, Late Adolescents, Couples, and Family issues. Dr. Skinner has adopted a Pragmatic approach to psychotherapy, utilizing interventions that are most appropriate to the needs of a given patient. 



Dr. Nicole Keehn, RN, MS(N), PsyD

Licensed Clinical Psychologist



Dr. Keehn is a licensed registered nurse and licensed psychologist. The focus of Dr. Keehn’s patient care is the establishment of mental and physical health, wellbeing, and lifestyle balance for clients of all ages and presentations. Through the formation of a collaborative treatment plan, Dr. Keehn can assist you to find healthier and more effective ways of coping that fit your lifestyle and are easy for you to implement every day.






Jackie Rosenberger, LCSW, DCSW


Licensed Clinical Social Worker




Marilee Block

Licensed Professional Counselor



Marilee's therapeutic approach combines CBT, REMAP, and other eclectic interventions. She attained a Master of Arts in Clinical Psychology at Governors State University in IL. As a licensed professional counselor, she is considered a generalist. She currently works with individuals of various ages at the Donaldson Wellness Center. 



Dr. Graham Martin, PsyD


Post Doctoral Intern


Supervised by Dr. Katherine Donaldson





Kerry Donaldson, M.S.

Intake Coordinator

Supervised by Dr. Nicole Keehn

Carissa Harvey, M.A.


Supervised by Dr. Donaldson


Carissa is obtaining her doctoral degree in clinical psychology at the Illinois School of Professional Psychology.  She has broad clinical experiences providing psychological services to individuals across the lifespan, with advanced training in pediatric neuropsychological assessment.  Carissa incorporates an empathic, spirited, and relational approach to treatment.  She is dedicated to providing integrative and comprehensive health care services through ethical, responsible, and conscientious practice.



Dr. Jenna Gershen, PsyD

Post-Doctoral Intern

Supervised by Dr. Donaldson


Jenna Gershen earned her Psy.D. from The Chicago School of Professional Psychology in December of 2017. She obtained her Bachelor of Arts degree from Miami University in Oxford, Ohio. Jenna has a focus in child/adolescent assessment and experience working with clients diagnosed with, but not limited to, ADHD, learning disabilities, Autism, anxiety, and depression. Jenna uses an integrative approach to therapy  and individualizes each treatment method to her clients.



David Buck, M.S.

Post-Master's Technician

Supervised by Dr. Christopher S. Taylor, LPC-S

David R. Buck earned his Master’s of Science in Clinical Mental Health Counseling at Capella University and his Bachelor’s in University Studies with a primary focus in Psychology from the University of Texas at Arlington. David provides basic consultation and coaching services by partnering with clients in a thought-provoking and creative process that inspires them to maximize their personal and professional potential by providing support to enhance the skills, resources and creativity that the client already has in order to enhance the quality of their lives through individual, couples and family work. David serves as a technician as well assisting the psychologists on staff by providing intake services including the collecting and recording of data and other information via interviews and measurements required. His goal is to continue developing into an ethical and competent clinician providing guidance and support to his clients for more wellness-centered, fully actualized living. 




Nolan Jones


Supervised by Dr. Robert Mapes, LPC-S


Nolan graduated with a Master's Degree in Counseling Psychology with a Clinical emphasis from Southwestern Assemblies of God University. He is currently pursuing a Ph.D. in Counselor Education from Texas A&M University - Commerce. He has experience working with a variety of areas serving populations that include: older children, adolescents, college students, adults, couples, and families. 


Yvonne Fritz, M.S.

Pre-Doctoral Intern

Supervised by Dr. Donaldson


Yvonne is currently obtaining her doctoral degree in clinical psychology at Mercer University in Atlanta, Georgia. She has a wide range of experience providing therapeutic services to individuals and families across the lifespan but has focused her training in working with children and adolescents struggling with ADHD and mood disorders. Yvonne's therapeutic approach combines cognitive behavioral therapy with the practices of mindfulness and acceptance commitment therapy. She believes the patient is their own best expert in their experiences and not one shoe fits all people, therefore, she also individualize my treatment approach for each patient’s goals and needs. 


Melissa Branchaud, M.A.

Pre-Doctoral Intern

Supervised by Dr. Donaldson


Melissa is a doctoral candidate from The Chicago School of Professional Psychology, Los Angeles. She obtained her Bachelor's of Arts at the University of Massachusetts, Boston. Her background includes high risk, trauma, mood and anxiety disorders, substance abuse, and dual diagnosis with individuals, groups, and families of all ages. She enjoys volunteering and looks forward to working with first responders. 

Dr. Kristen Julin, PsyD

Postdoctoral Resident

Supervised by Dr. Donaldson


Dr. Julin earned her doctorate in Clinical Psychology from the Florida Institute of Technology in 2017.  She has experience providing treatment in a number of different settings including correctional facilities, community mental health centers, drug treatment centers, inpatient hospitals, VA medical centers, and private practice. 

Dr. Julin works with a wide range of ages including adults, adolescents and children.  Although grounded within a Cognitive Behavioral (CBT) framework, Dr. Julin takes an integrative approach to treatment and views each client as a unique individual and bases her treatment approach on specific client needs, symptoms, and goals. She is very motivated to work collaboratively with individuals and their families to identify the best possible treatment plan.


Kineta T. Holsworth, M.A. LPC-S

Licensed Professional Counselor/Counselor Supervisor


Kineta is a Licensed Professional Counselor Supervisor.  She received a Bachelor of Arts in Psychology from Baylor University and a Master of Arts in Biblical Counseling from Dallas Theological Seminary.  She has spent her entire counseling career working with children and teens to overcome traumatic events, including abuse, neglect, and the witnessing of violent crimes at Children's Advocacy Centers in North Texas.  As a result of this specialty, she has experience supporting children, teens, and their parents through a range of challenges including problems with behavior and social skills, depression, suicide, anxiety, and Posttraumatic Stress.  She has a desire to help families hold tight to hope and find freedom.



Alysen Ralstin, BS

Master's Intern/Administrative Assistant

Supervised by Dr. Donaldson


Alysen recieved her Bachelors of Science in Counseling with a minor in Addictions from Southwestern Assemblies of God University, and is currently working toward obtaining her Master's of Science in Counseling-Psychology at Harrison Graduate School. She has worked with DWC in numerous positions allowing her to know the ins and outs of the practice. Alysen utilizes an integrative therapeutic approach and tailors therapy to fit the needs of each individual based on their desired outcome.




Suzan Davis

Doctoral Intern

Supervised by Dr. Katherine Donaldson






Kristen McFarland

Office Manager











Daniella Ramirez, BS

Administrative Assistant





Gabrielle Calvery, BS

Administrative Assistant

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