Dallas DBT
*all parties in the practice are independent practitioners

Our Team and

Our mission


Be a leader in the community for educating and providing evidence based treatments to help our clients build a life worth living. At Dallas DBT Associates, we strive to offer adherent DBT for children, adolescents, young adults, adults, and families. We provide programs with all four components of DBT for each population: Individual DBT sessions, DBT Skills groups, coaching calls, and clinician consultation team. We have completed intensive training through the Linehan Institute. To date we are the only group of clinicians in North Texas who have completed this intensive and advanced intensive training. We are the only practice in North Texas that has clinicians certified and actively working toward DBT certification through the Linehan Instititute.

*All therapists at this group are individual practitioners


Tammy Hyde, MA, LPC, DBT-LBC

Tammy is a Licensed Professional Counselor and a Certified Dialectical Behavioral Therapy Clinician through the Linehan Institute. Tammy is a treating clinician, group skills trainer, as well as a trainer and consultant for other therapist and treatment programs who provide DBT. Tammy obtained a Masters degree in Counseling Psychology in 1998 from Louisiana Tech University. Tammy began her career working in an Adolescent Residential Treatment Center in Louisiana and then moved into a hospital treatment setting treating both adolescents and adults. It was while in this setting she developed a private practice working with a psychiatrist who specialized in treating personality disorders. During this post-graduate work, she was introduced to Dialectical Behavioral Therapy as an emerging research based treatment shown to be effective with the population. After moving to Dallas, Tammy worked in a local hospital while building her private practice.

She has been a pioneer in developing DBT programming in Dallas since 2004 and is cofounder of Dallas DBT. She has over 18 years experience in treating personality disorders, self-harm, and chronic suicidal ideation. Tammy also treats eating disorders, mood disorders, PTSD, and anxiety. Tammy works with adolescents, adults, couples, and families as a DBT therapist providing individual, family, couple, and group therapy. In addition to being a clinician, Tammy is a speaker and educator. Tammy has been a presenter at the National Alliance for Borderline Personality Disorder annual conference. She has spoken at area hospitals and treatment centers, as well as Universities on DBT. She also provides consultation to area hospitals, treatment programs, and therapists providing a DBT perspective. Tammy has also served as a trainer to other clinicians in the Dallas area who have obtained intensive training through Behavioral Tech. Tammy is also honored to be a part of a team of clinicians chosen by the Linehan Institute to determine treatment adherence and coding in the certification process of potential certification candidates.

Additional training Tammy has completed: Intensive Training in DBT in 2006 and the Advanced Intensive Training in DBT with DBT developer, Marsha Linehan, PhD., 2013. She also has completed Intensive Training in DBT adapted Prolonged Exposure therapy with the treatment’s developers, Melanie Harned, PhD and Marsha Linehan, PhD a the University of Washington, 2015. Tammy was the second clinician in the state of Texas to obtain certification, 2017. In 2019 Tammy received training in coding and treatment adherence and became a part of a team working with the Linehan Institute to help in determining candidates for the certification process.

Initial Evaluation: $200

Individual Session: $180

Tammy offers consultation to other therapists ($180/hr).

License, Certification & Training

DBT certification 2017

Advanced Intensive Training in DBT with DBT developer, Marsha Linehan, PhD., 2013

Intensive Training in DBT in 2006

Intensive Training in DBT adapted Prolonged Exposure therapy with the treatment’s developers, Melanie Harned, PhD and Marsha Linehan, PhD a the University of Washington, 2015


M.A. Counseling Psychology - Louisiana Tech University



Nancy McWaters, MA, LPC

Nancy is currently on sabbatical and not taking new patients.

Nancy is a Licensed Professional Counselor specializing in DBT (Dialectical Behavioral Therapy). Her work is with individuals (adults and adolescents), couples, and families. With over 15 years of experience as a DBT Therapist, and as a graduate of Amberton University specializing in DBT, she is currently serving as a private practitioner at Dallas DBT Associates in which she helped found in 2011. 

She works with a broad spectrum of clients and among her areas of expertise are DBT, borderline personality disorder, addiction issues, adolescent and adult mental health issues, eating disorders, and anxiety. In addition to being a prominent DBT therapist, Nancy has presented at conferences and to general audiences speaking on the topic of DBT. Nancy is an interactive dialectical behavioral therapist. Her therapeutic approach is to provide support and practical feedback to help clients effectively address personal life challenges. She integrates complementary methodologies and techniques to offer a highly personalized approach tailored to each client. With compassion and understanding, she works with each individual to help them build on their strengths and attain the personal growth they are committed to accomplishing.

She has attended intensive training, advanced intensive training, Prolonged Exposure Therapy and Advanced Prolonged Exposure Therapy work at the University of Washington with Marsha Linehan and Melanie Harned, PhD. Additional Training Nancy has completed: Advanced Prolonged Exposure Therapy with Melanie Harned, PhD, Advanced Intensive Training in Dialectical Behavioral Therapy with Marsha Linehan, Intensive Training in Dialectical Behavioral Therapy, and Emotional Regulation Training with Marsha Linehan.



M.A. Counseling - Amberton University
B.A. Education - LSU University/Amberton University

License & Certification




Linda O'Toole, Ms, LPC

Linda O’Toole is a Licensed Professional Counselor specializing in Dialectical Behavior Therapy (DBT).  Linda has been in the counseling profession for over 20 years and is passionate about helping her clients learn new skills and strategies to reach their life goals.  Linda obtained a Masters of Counseling in 1997 from Indiana University.  Linda previously worked in a variety of settings including an outpatient Employee Assistance Program, a Crisis Counseling and Suicide Prevention Program, and several Mental Health and Substance Abuse inpatient treatment facilities.  Linda began her private practice in 2005 and continues to work with adolescents, adults, families and couples.  

Linda is a member of a DBT Adherent Treatment Team and treats Borderline Personality Disorder, Post-Traumatic Stress Disorder, Bipolar Disorder, Depression, self-harm behavior, suicidal ideation, anxiety, and mood disorders.  Additionally, Linda works with clients who suffer from Chronic Pain and Caregiver Stress.  Linda provides DBT Individual Therapy and DBT Skills Training Groups for adolescents, adults and family/support members.

Linda completed all required DBT Initial and DBT Advanced Intensive Trainings through Behavioral Tech with Dr. Marsha Linehan.  Linda also completed PTSD Exposure Treatment Training with Dr. Linehan and Dr. Melanie Harned through Behavioral Tech. Because Linda strongly believes in the DBT tenet that “we are doing the best we can AND we have to do better”  Linda attends frequent Continuing Education trainings for DBT Clinicians provided by Dr Marsha Linehan and other DBT Expert Clinicians.



M.S. Counseling, Indiana University

B.A. Psychology, University of Texas – Dallas

License & Certification

L.icensed Professional Counselor - TEXAS

Advanced Intensive DBT Training

PTSD Prolonged Exposure Training



Susan Shiring, MSSW, LCSW

Susan Shiring is a Licensed Clinical Social Worker who has been in private practice for over 10 years. Prior to pursuing her Master of Science in Social Work, Susan was a Certified Public Accountant who worked at Arthur Andersen and a local Dallas firm. As a social worker and therapist , she worked in a variety of settings prior to entering private practice, including Victims Assistance, community mental health and ten years as a social worker/therapist on an inpatient psychiatric unit. After more than 25 years in the mental health field, she continues to love working with her clients and seeing them find effective strategies to improve. During the time Susan worked as an inpatient therapist she became interested in evidence based treatments for patients, with patients often finding therapy ineffective and continuing to suffer. This led her to Dialectical Behavioral Therapy because of the studies finding it helpful to many clients with multiple kinds of issues.

Susan began training in DBT in 2003 and has continued to train along with other members of the Dallas DBT team since that time. Susan is passionate about providing quality care and giving clients concrete skills that they can use in their daily lives rather than just “talk therapy”. She provides therapy for Borderline Personality Disorder, mood disorders such as Major Depression and Bipolar Disorder, anxiety and panic disorders. In addition, she is also trained in Prolonged Exposure therapy for Post Traumatic Stress Disorder.



Bachelor of Accounting, New Mexico State University

Master of Science in Social Work, University of Texas at Arlington 


License, Certification & Training

Dialectical Behavioral Therapy Trainings, through Behavioral Tech or University of Washington

DBT Skills Training -2 day. 2003

DBT Intensive Training- 2 weeks 2006


DBT Skills Training Update -2 day 2011

DBT Advanced Intensive- 5 day 2014

DBT Prolonged Exposure Protocol for PTSD- 4 day 2015

(Note that our team was one of the handful of teams chosen for the first University of Washington training after their research studies.)

Getting to Adherence in DBT -3 day 2017



Chloe Zingaro, MSSW, LCSW

Chloe is a licensed clinical social worker specializing in Dialectical and Cognitive Behavioral Therapies as well as Exposure-Based Protocols. Chloe has been in practice at Dallas DBT Associates since 2014. Chloe graduated from Southern Methodist University with a B.F.A. in Theatre and then pursued her Masters of Science in Social Work at The University of Texas at Arlington. She completed her 100 hours of supervision for clinical social work with Lori Stone, LCSW at Southlake Psychiatric and Counseling Center working with adolescents, adults, and families in individual and group settings. 

Chloe's previous experience includes working in inpatient and outpatient behavioral health and addiction recovery services at Methodist Richardson Medical Center. She performed various roles including intake, case management, group process and skill facilitation, and program development and facilitation for the Faith-based and Traditional Intensive Outpatient Programs. It was while working at Methodist that Chloe first started learning DBT and specializing in treating personality disorders. Chloe modified the curriculum of the outpatient program to incorporate DBT skills and better serve the patient population who struggled with self-harm, suicidal ideation, and personality disorders. While at Methodist Richardson, Chloe participated in two years of DBT mentorship with Susan Shiring, LCSW learning the treatment modality and co-leading skills groups. She has also provided prevention and recovery support services, home visits, and parenting classes for families involved with the court system and Child Protective Services as part of the New Connections Program. 

Chloe is intensively trained in Dialectical Behavioral Therapy and meets weekly with a DBT Consultation team as well as biweekly with an expert consultant from Behavioral Tech. Chloe treats children ages 9 and up as well as adolescents, adult, and families. Additional training Chloe has completed: Introduction to DBT and Skillful Living with Randy Wolbert, LMSW; Treatment Implementation Collaborative's 6 Month DBT Intensive Training with Shari Manning Ph.D. and Magda Rodriguez, Psy.D.; Advanced Topics in DBT with Marsha M. Linehan, PhD, ABPP; André Ivanoff, PhD; Tony DuBose, PsyD; Melanie Harned, PhD, ABPP; Jennifer Sayrs, PhD, ABPP and Elizabeth Dexter-Mazza, PsyD; Advanced Training in DBT Prolonged Exposure Protocol for PTSD with Melanie Harned, PhD, ABPP and Kathryn Korslund, Phd, ABPP; Getting to Adherence in DBT: Essential Strategies, Practical Tips, and Common Pitfalls with Kathryn Korslund, Phd, ABPP; Gottman Method Couples Therapy Level 1: Bridging the Couple Chasm and Gottman Method Couples Therapy Level 2: Assessment,Intervention, & Co-morbidities with Don Cole, D. Min, LPC, LMFT.


Education and Training

M.S.S.W. with Specialization in Mental Health- University of Texas at Arlington

B.F.A. Southern Methodist University

License & Certification

Licensed Clinical Social Worker