Healing Complex Trauma: A DBT-Informed Approach to C-PTSD
An Integrative Framework Weaving Together Polyvagal Theory, Parts Work, and DBT Principles AND SKILLS
This 9-hour course for therapists is taught by Sheri Van Dijk, MSW, RSW.
This 9-hour course for therapists is taught by Sheri Van Dijk, MSW, RSW.
Clients with C-PTSD often present with a wide range of difficulties, including chronic emotion dysregulation, dissociation, a fragmented sense of self, unstable relationships, depression, suicidality, and substance use.
These challenges are deeply interconnected, each often contributing to and sustaining the others, making treatment far more complex than addressing any single symptom in isolation.
For therapists, the challenge is knowing where to begin, what to prioritize, and how to adapt treatment as these complex presentations unfold.
Even with a solid therapeutic approach, it can be difficult to address all these challenges within a clear, cohesive treatment plan.
By integrating DBT, Polyvagal Theory, and Parts Work, this course provides a practical framework for understanding and treating the complexity of C-PTSD.
DBT gives you practical skills to help clients regulate intense emotions and tolerate distress.
Polyvagal Theory helps you understand the nervous system states that drive your clients’ responses and support nervous system regulation.
Parts Work provides a compassionate way of working with dissociation and fragmented self-states, helping clients develop a more cohesive sense of self.
You’ll leave this course with an integrated, evidence-informed framework you can immediately apply in your work with clients with trauma and C-PTSD.
Recognize the patterns driving complex trauma presentations, including emotion dysregulation, dissociation, fragmented self-states, and persistent troublesome behavioral patterns.
Know where to begin, what to prioritize, and when to shift focus when clients present with multiple, interconnected difficulties.
Determine when clients need stabilization before trauma processing and use practical strategies to build greater safety and capacity for therapeutic work.
Respond more effectively when clients become overwhelmed, emotionally reactive, shut down, or disconnected during sessions.
Draw from DBT, Polyvagal Theory, and Parts Work to choose interventions that fit what is happening for the client in the moment.
Help clients develop practical skills to regulate emotions, tolerate distress, manage urges, and respond differently to difficult internal experiences.
Support lasting changes in how clients relate to themselves and others, improving relationships, wellbeing, and quality of life.
I’ve taken other courses that were superficial overviews of the material. This course was thorough and in-depth, and focused on giving therapists skills they can actually use with clients.
Sheri is an extremely knowledgeable and experienced presenter, and the depth of her expertise came through in the training.
I was so excited about the course that I told my supervisor about it, and she immediately wanted to take it herself. I would highly recommend this course to other therapists.
Fort Pierce, FL, USA
Sheri is a Social Worker who has been working with clients with severe mental health problems from a DBT-informed perspective since 2000. With extensive experience in hospital and community settings, Sheri now sees clients in private practice and provides consultation and training internationally to other clinicians.
She is an expert in Dialectical Behavior Therapy (DBT)-informed therapy, and works from a trauma-informed perspective. She is a certified Eye Movement Desensitization and Reprocessing (EMDR) therapist and an EMDRIA-Approved Consultant. She has also trained extensively in Deep Brain Reorienting (DBR) and is a Neurofeedback provider.
Sheri was the winner of the R.O. Jones award for her research on using DBT with bipolar disorder, presented at the Canadian Psychiatric Association Conference.
Sheri is the author of numerous books that focus on helping readers learn DBT skills and apply them to a variety of mental health problems, including The DBT Workbook for C-PTSD, The DBT Workbook for Emotional Relief, and the best-selling Don’t Let Your Emotions Run Your Life for Teens.
Learn what changes across the 3 stages of complex trauma treatment, from safety and stabilization through trauma processing and reconnection
Understand what belongs in each stage so you can pace treatment without moving into trauma processing before a client is ready
Discover how to take a trauma history without overwhelming clients, including those who don’t have explicit memories of what happened
Understand what reinforces problem behaviors and can unintentionally make them more likely to continue
Learn how to identify the triggers, vulnerabilities, and consequences driving a client’s behavior
Use behavioral analysis to identify where change can happen and which skills a client needs
Discover how to recognize the subtle signs that a client has been triggered, beyond obvious flashbacks or dissociation
Understand the nervous system states clients move through under threat, and what drives shifts between them
Learn how neuroception, the nervous system’s automatic detection of safety and threat, drives reactions clients can’t simply think their way out of
Understand how to identify a client’s nervous system states and recognize what triggers shifts between them
Discover practical strategies for helping clients move out of fight, flight, freeze, or shutdown
Learn how to help clients build greater safety and stability before moving into trauma processing
Recognize the different ways dissociation can show up in clients, including signs that are easily overlooked
Understand dissociation as a survival response and why it can persist long after the trauma has passed
Discover how structural dissociation can help explain fragmented self-states and internal conflict
Understand how trauma-related parts develop and the different ways they can show up in therapy
Discover how DBT’s states of mind can provide a practical way to understand and work with parts
Learn how to help clients create space from overwhelming parts and access their Wise Mind
Learn practical strategies for helping clients notice, understand, and communicate with their parts
Discover grounding and orienting techniques that help clients reconnect with the present when trauma-related parts take over
Learn how to use mindfulness safely with trauma clients, including when standard practices may increase dissociation or distress
Understand how to help clients accept painful realities without confusing acceptance with approval, forgiveness, or giving up
Gain a practical, step-by-step approach for helping clients move from resistance toward acceptance
Discover strategies to help clients shift out of resistance and practice acceptance with difficult experiences
In this 1-hour webinar session, Sheri will further expand on the concepts of the course as she answers questions and performs mini-demonstrations.
**You’ll get the most value out of the course by attending this live session.
However, if you can’t attend the live session, you can submit questions beforehand, as it will be recorded.
The video and audio recordings of the experiential session will be available within 48 hours after the live session is over.
NORTH AMERICA
October 22, 2026
2-3pm PT /5-6pm ET
UNIted Kingdom
October 22, 2026
10-11pm
AUSTRALIA
October 23, 2026
8-9am
These 5 handouts will help you support clients with behavioral tracking and analysis. They include a Behavior Tracking Sheet, a Behavioral Chain Analysis worksheet, a Behavioral Chain Analysis Chart, Client Diary Cards Instructions, and a Pros and Cons List. Together, they offer tools for monitoring target behaviors, examining the events leading up to them, and weighing the costs and benefits of behavioral choices.
A collection of readings to supplement the course content. If you’d like to explore the topics presented in the course in greater depth, this resource list offers evidence-based resources to expand your understanding and strengthen your clinical confidence.
These documents distill the essential points from each course module. They’re designed to help you review key concepts, reinforce your learning, and apply the strategies from the course to your clinical work without rewatching hours of content.
This course gave me what I was looking for – a deeper understanding of trauma and more skills I could use with clients. Sheri brought the theory to life through many examples, exercises, and practical skills.
I also appreciated the emphasis on safety and stabilization and the importance of being cautious when using these skills with clients who have experienced trauma.
I used one of the course exercises with a client, which immediately reduced the client’s distress. I’ve also started using other skills from the course in my work.
Sheri is very clear and experienced. She explains complex trauma in a way that makes it easy to understand.
I really enjoyed the course.
Didcot, Oxfordshire, UK
CANADA: Submit the certificate to CCPA for CECs and CRPO for PD credits
AUSTRALIA: PD points available for PACFA and ACA
The course is geared toward psychotherapists, counselors, psychologists, psychiatrists, and other helping professionals who want to feel confident working with clients who experience trauma, C-PTSD, or PTSD. It is suitable for therapists who are new or experienced in this work.
No. While DBT provides an important foundation, the course also integrates Polyvagal Theory and Parts Work, giving you additional ways to understand and work with nervous system responses, dissociation, and fragmented self-states.
No. The concepts and skills are also relevant to clients with trauma histories who struggle with emotion dysregulation, dissociation, nervous system activation, problem behaviors, or fragmented self-states, whether or not they have a formal C-PTSD diagnosis.
The concepts and skills taught in this course can be integrated into many therapeutic approaches, including CBT, ACT, EMDR, IFS, somatic therapies, and other trauma-informed approaches.
It’s both. The course has 9 hours of content. There are 13 pre-recorded core modules, 1 live webinar, and several extra materials to support you in your work.
LIVE WEBINAR WITH SHERI
Dates and Times of the Live Session
North America: October 22, 2026, 2-3pm PT /5-6pm ET
United Kingdom: October 22, 2026, 10pm – 11pm
Sydney, Australia: October 23, 2026, 8am-9am
Auckland, New Zealand: October 23, 2026, 10am-11am
LIVE WEBINAR WITH SHERI
Dates and Times of the Live Session
North America: October 22, 2026, 2-3pm PT /5-6pm ET
United Kingdom: October 22, 2026, 10pm – 11pm
Sydney, Australia: October 23, 2026, 8am-9am
Auckland, New Zealand: October 23, 2026, 10am-11am
If you don’t receive value from the course after 7 days of registering, you can ask for your money back.
You can download your certificate for 9 hours of course content once you pass the short course quiz.
USA
NBCC – The Mind Body Training Institute has been approved by NBCC as an Approved Continuing Education Provider, ACEP No. 8016. Programs that do not qualify for NBCC credit are clearly identified. Mind Body Training Institute is solely responsible for all aspects of the programs. This program is approved for 8.45 clock hours.
Canada
CECs – CCPA (Canadian Counselling and Psychotherapy Association). CCPA will give CECs when you submit your certificate to them.
PD points – CRPO (College of Registered Psychotherapists of Ontario). CRPO will give PD points when you submit your certificate to them.
Australia
ACA (Australian Counselling Association):
10 OPD (Ongoing Professional Development) points
PACFA (Psychotherapists and Counsellors Federation of Australia):
9 hours of category A CPD


You will have access to the materials in the learning center for 180 days (6 months) from the date you signed up for the course.
However, you can download all materials and save them forever.
Sheri brought together different theories and approaches into a thoughtful, comprehensive framework.
She consistently gave clinical examples that showed how the concepts show up with clients, how to bring different skills into the work, and how to adjust them for individual clients.
I will definitely draw on the crisis management skills, DBT strategies, and reframes from the course.
I’d highly recommend this course. Even if you’ve been doing this work for a long time, the integration and reframing can give you new ways to approach your work.
Vancouver, BC
If you don’t find value after 7 days, we’ll refund 100% of your fee.
If so, send us an email.
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