Complex Trauma
Training & Treatment Network

The taproot to comprehensive understanding of complex trauma, its effects on individuals, communities and systems, and pathways to healing and recovery.

Who We Are

The Complex Trauma Training and Treatment Network is an international affiliation of leading clinical, training and research experts in the field of traumatic stress.

What We Offer

Our Training Institute was founded by this generation’s preeminent trauma educators, intervention model developers, and organizational consultants. We specialize in complex trauma assessment, treatment and systems transformation. We offer a comprehensive menu of services to meet the multidisciplinary professional development needs of your agency, institution, or training event.

Treatment Centers and Affiliates

An extensive array of innovative and evidence-based psychotherapy services for children, adults, couples and families at nearly two dozen outpatient locations throughout the United States and Canada.

What Is Complex Trauma?

People who have endured complex trauma are like dandelions: incredibly resilient, of much greater worth than is often realized, and able to find ways to adapt and survive despite overwhelming circumstances and seemingly insurmountable adversity.


“The faculty of the Complex Trauma Training Institute are more responsible than anyone for spearheading the translation of complex trauma theory to real life practice across systems, service settings and client populations. The CTTI faculty are consummate professionals, and it’s been my honor to collaborate with them. Now that they’ve decided to join forces, I have no doubt CTTI will become the nation’s go-to resource for trauma-informed and complex trauma-focused training, clinical supervision and organizational consultation.”
Jon S. Ebert, Psy.D.
Associate Professor of Clinical Psychiatry and Behavioral Sciences
Vanderbilt University School of Medicine
“PTSD is the tip of the iceberg for the trauma-impacted clients we serve. Complex trauma provides a strengths-based frame that accounts for the life adversities our clients have had to overcome, as well as their historical and ongoing societal underpinnings. Understanding our client’s risk behaviors as survival adaptations has been pivotal to treatment progress and lasting change. Complex trauma interventions gradually transform problem behaviors and symptoms by building our client’s capacities and instilling a sense of personal agency, worth and purpose.”
Kelly Flanagan, Psy.D.
Clinical Director
Florissa Pediatric Developmental Center
“For many years, finding a therapist who really “got me” seemed impossible. Turns out I needed one that really understands complex trauma, and especially someone open to learning about and working with all parts of whom I am. It makes my heart happy to know that an affiliation of practicing complex trauma therapists has been established. This work is hard—I know firsthand. It’s important that therapists doing this work don’t become isolated or stuck in outdated ways of thinking.”
Unsolicited Client Testimonial


Teletherapy Multi-state

PSYPACT is an interstate compact designed to allow licensed psychologists to practice of telepsychology across state boundaries legally and ethically. As of 2024, PSYPACT is effective in 37 states, one U.S. territory, and Washington, DC: AL, AZ, AR, CO, CNMI, CT, DE, DC, FL, GA, ID, IL IN, KS, KY, ME, MD, MI, MN, MO, NC, ND, NE, NH, NJ, NV, OH, OK, PA, RI, SC, TN, TX, UT, VA, WA, WV, WI & WY.