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ISST Certification

Welcome to the Certification Platform of the International Society of Schema Therapy (ISST)

The International Society of Schema Therapy (ISST) is committed to setting global standards for high-quality training and certification in schema therapy. Through this certification portal, we provide therapists, supervisors, and trainers with a clear, reliable, and structured pathway to international recognition of their professional expertise.

ISST certification programs are grounded in the latest scientific research and uphold the highest levels of clinical excellence and ethical responsibility. Whether you are pursuing your initial certification or seeking to expand your qualifications, this platform offers all the essential information, requirements, and application materials you need.

Join a growing international community dedicated to fostering meaningful and lasting change in psychotherapy.



Christine Zens

Christine Zens

Certification Coordinator

Contact Christine


GROUP TO INDIVIDUAL

Supervision hours calculator

Convert group supervision into equivalent individual supervision hours.

This calculator requires JavaScript. If the fields remain disabled, please contact the ISST Office.

Actual hours. Decimals: 1.5 or 1,5.
Enter a positive whole number.

Your result will appear here.

About the calculation

*Before quarter-hour rounding. Hours are displayed to two decimal places; minutes to the nearest whole minute. Uses the existing conversion formula.

Dear ISST members, certification applicants, trainers, TP directors and Regional Coordinators, please note that the NEW Application forms for Certification and checklists are now available at: Certification Forms

For your convenience they are displayed in two formats: PDF and Word. You can fill in any of them. Please read carefully the instructions before filling out forms.

It will help to avoid unnecessary delays in certificates processing. As the number of applications for certification is growing rapidly, we plan to switch to online filling soon.

                    Certification Process
                  Requirements for
Certification After 2021 (Individual)

Requirements for
Certification Prior to 2021 (Individual)

Trainer/Supervisor
Certification

                    Case conceptualisation forms
and materials for certification
Version 2018 & 2024 


Training and Certification requirements for specific Certification Categories


ST for Auxiliaries (A-ST) ST for Treatment Units (STTU)


©2021 International Society of Schema Therapy e.V.

International Society of Schema Therapy e.V. is a not-for-profit organization, Germany


Why Schema Therapy?

Schema therapy has been extensively researched to effectively treat a wide variety of typically treatment resistant conditions, including Borderline Personality Disorder and Narcissistic Personality Disorder. Read our summary of the latest research comparing the dramatic results of schema therapy compared to other standard models of psychotherapy.

"Be the Change You Help Create"

Whether you are a clinician, researcher, educator, or a supporter, we have a place for you in our community. Visit our "Join us" page to find out more about the many benefits ISST offers, and to apply for membership now.
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