Karyn D Hall Author

Karyn D. Hall, PhD, is a licensed clinical psychologist who has been in practice for over thirty years. Originally trained as a child psychologist, she now specializes in dialectical behavior therapy and is the director of the Dialectical Behavior Therapy Center in Houston, TX.

Melissa H. Cook, LPC, is a dialectical behavior therapist in Houston, TX, specializing in eating disorders and borderline personality disorder.