We are the oldest complex trauma and dissociation society in the world.

ISSTD seeks to advance clinical, scientific, and societal understanding about the prevalence and consequences of chronic trauma and dissociation.

Our Supporters

Due to the COVID-19 situation, ISSTD Staff is working remotely at this time. Phone lines will be open from 1:00–4:00pm Eastern Daylight Time Monday through Friday. Email is being monitored during normal business hours.