New England Society for the 
Treatment of Trauma and Dissociation



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The New England Society for the Treatment of Trauma and Dissociation (NESTTD) is an organization devoted to providing education, training, and resources on the effective treatment of psychological trauma, complex trauma and dissociation.

Founded in 1984, NESTTD is incorporated as a nonprofit organization. The society has its headquarters in Massachusetts and has members from Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. 

For our Members

Workshop Handouts

Members: Workshop handouts that have been approved for sharing by the presenter may be found in the Members Area of the website after logging in.

Video Library

NESTTD has made available to its members the “Mining the Treasures of our Membership” video series. The focus of this interview series is on members of our community who have not been NESTTD presenters and are held in high regard for his or her contribution in the area(s) of leadership, teaching, training, trauma theory, or innovations of clinical practice. 

To access these videos, please log in at the left and go to the Members Area using the side navigation bar. Click on Video Library and follow the instructions to view the videos. We hope you enjoy this series.

Our latest newsletter - click here: Spring 2018 NESTTD Newsletter

Upcoming events

    • 09 Nov 2018
    • 1:00 PM - 4:30 PM
    • Scottish Rite Masonic Museum & Library, 33 Marrett Road, Farr Conference Center , Lexington, MA 02421


    Martha Sweezy, LICSW, PhD

    Registration now open!

    Shamed and Shaming:

    Their Role in the Experience and Treatment of Trauma (3CE)*

    Friday, November 9, 2018

    1:00 - 4:30 pm

    This workshop will explore the dynamics and consequences of shaming, being shamed, and feeling shameful through a combination of demonstrations, experiential exercises and a power-point presentation. 

    Through the lens of internal family systems therapy (IFS), which sees the normal human mind as being made up of parts with different functions, Dr. Sweezy will present options for treating the shame dynamics that develop following trauma.

    *CEs available. Click here to see CE information on our website.

    Cost of program:

    Members $50

    Non-Members $60

    Students $30

    Martha Sweezy, PhD, is a part-time assistant professor at Harvard Medical School, a program consultant and supervisor at Cambridge Health Alliance, and the former assistant director and director of training for the dialectical behavioral therapy (DBT) program at the Cambridge Health Alliance. She has a therapy and consultation practice in Northampton, Massachusetts.

         She is a co-author of the IFS Skills Training Manual: Trauma-informed Treatment for Anxiety, Depression, PTSD & Substance Abuse; co-editor/co-author of the books Internal Family Systems Therapy: New Dimensions and Innovations and Elaborations in Internal Family Systems Therapy; and co-author of the book Intimacy from the Inside Out: Courage and Compassion in Couple Therapy. She is also the author of two articles on IFS, Treating Trauma After Dialectical Behavioral Therapy in the Journal of Psychotherapy Integration (2011, Vol. 21, No. 1, 90–102) and The Teenager’s Confession: Regulating Shame in Internal Family Systems Therapy in the American Journal of Psychotherapy (2011, Vol. 65, Issue 2, 179-188).

    • 01 Dec 2018
    • 9:00 AM - 4:30 PM
    • Scottish Rite Masonic Museum & Library 33 Marrett Road, Lexington, MA 02421

     Diane Poole Heller, PhD

    December 1, 2018

    9:00 am - 4:30 pm


    When Unresolved Attachment Trauma is the Problem: Working with Avoidant and Disorganized Clients (6CE)*

    Registration now open.

    (Boxed lunch included in registration fee; gluten-free available; please make your lunch selection when you register.)

    Scottish Rite Masonic Museum & Library 
    33 Marrett Road, Lexington, MA  02421

    About the program: Many clients bring to therapy the remnants of attachment wounds experienced before they learned to speak, so talk therapy is often ineffective at getting to the root of early memories that can continue to roil emotions and disturb relationships. This workshop presents a unique approach to correcting insecure attachment through specific corrective experiences that specifically address the emotional injuries they incurred in early life. Through experiential exercises plus videos of client sessions, you'll see the profound effect of DARe (Dynamic Attachment Re-Patterning Experience) work in action.

    Diane Poole Heller, Ph.D., is an established expert in the field of Adult Attachment Theory and Models, trauma resolution, and integrative healing techniques. She has taught and lectured for over two decades in the USA and in many countries around the world. She developed her own signature series on Adult Attachment called DARe (Dynamic Attachment Re-patterning Experience).

         Dr. Heller began her work with Peter Levine, founder of SETI (Somatic Experiencing® Trauma Institute) in 1989. As Senior Faculty for SETI, she also teaches Somatic Experiencing®, based on Peter Levine’s groundbreaking work, in the USA and abroad.

    Her books Crash Course on auto accident trauma resolution and Healing Early Attachment Wounds are used worldwide as a resource for healing general trauma and attachment disruptions.

         As a dynamic speaker and teacher, Dr. Heller has been featured at prestigious international events and is the author of numerous articles in the field. As president of DARe/SATe and of Trauma Solutions, a psychotherapy training organization, Dr. Heller supports the helping community through an array of specialized topics.

    *CEs available. See CE Information in left-hand menu for details.

    Cancellation Policy for events: No refund is given if cancellation request is received within 1 week of event date. Prior to 1 week of event date a full refund will be made.

    Heller program flyer.

    • 09 Feb 2019
    • 9:00 AM - 12:30 PM

    Gary Bailey, MSW

    Half-day Program

    Saturday, February 9, 2019

    9:00 am - 12:30 pm


    • 09 Feb 2019
    • 1:15 PM - 4:30 PM

    Gary Bailey, MSW

    Intensive Program

    Saturday, February 9, 2019

    1:15 - 4:30 pm


    • 16 Mar 2019
    • 9:00 AM - 4:30 PM


    Saturday, March 16, 2019

    9:00 am - 4:30 pm


    • 06 Apr 2019
    • 9:00 AM - 12:30 PM

    Bethany Brand, PhD

    Half-day Program

    Saturday, April 6, 2019

    9:00 am - 12:30 pm


    • 06 Apr 2019
    • 1:15 PM - 4:30 PM

    Bethany Brand, PhD

    Intensive Program

    Saturday, April 6, 2019

    1:15 - 4:30 pm


    • 03 May 2019
    • 1:00 PM - 4:30 PM
    • Scottish Rite Masonic Museum & Library, 33 Marrett Road, Lexington, MA 02421


    Presenter: Debbie Korn, PsyD

    Friday, May 3, 2019

    1:00 - 4:30 pm

    Details to come.

Past events

20 Oct 2018 Afternoon Intensive: Utilizing "Therapeutic Dissociation" and Corrective Experiences to Enhance Somatically-Oriented Trauma Resolution
20 Oct 2018 Morning Program: Unblocking What's Stuck: Using Somatic Experiencing® and Body-Based Parts Work to Support Trauma Resolution
27 Apr 2018 NEW FRIDAY AFTERNOON SERIES: Three Therapeutic Models: Concepts and Demonstrations of Working with Traumatic Experiences: IFS, EMDR, AEDP (3CE)
15 Apr 2018 Dolores Mosquera, MA, Master Class: “How to Move Safely from Stabilization to Processing Traumatic Memories When Working with Dissociative Disorders: Micro-processing Procedures Using EMDR Therapy” (3.5 CE)
14 Apr 2018 Dolores Mosquera, MA, Full-Day Program: "Practical Tools to Work with Dissociative Processes" (6 CE)
17 Mar 2018 "Fundamentals of Complex Trauma and Dissociation"
03 Feb 2018 Anne Westcott, LICSW, AFTERNOON INTENSIVE PROGRAM: "Experiential Exploration of Regulation Tools and State Shifts" (3CE)
03 Feb 2018 Anne Westcott, LICSW, MORNING PROGRAM: "Discovering the Strengths Within: Children’s Bodies are a Pathway to both Psychological Injury and Recovery" (3CE)
02 Dec 2017 Mary Jo Barrett, MSW, AFTERNOON PROGRAM - "Collaborative Systemic Treatment of Family Violence" (3CE)
02 Dec 2017 Mary Jo Barrett, MSW, MORNING PROGRAM: "Relational Interventions: The Great Integration for Working with Complex Developmental Trauma" (3CE)
13 Oct 2017 NEW FRIDAY AFTERNOON SERIES: "Trauma, Attachment and the Body: An Introduction to Sensorimotor Psychotherapy" presented by Lana Epstein, MA, LICSW (2CE)
23 Sep 2017 Anna Salter, PhD, FULL DAY PROGRAM "Understanding the Psychology of Offenders and Victim-Perpetrator Dynamics: The Importance to Clinicians and Clinical Work with Victims" (6CE)
08 Apr 2017 Ruth Lanius MD, PhD : AFTERNOON INTENSIVE “The Therapeutic Process of Working with a Fragmented Self: Toward Communication and Wholeness”
08 Apr 2017 Ruth Lanius MD, PhD “Challenging Moments in Trauma Treatment: Working with Complex Dissociation“
18 Mar 2017 "Fundamentals of Complex Trauma and Dissociation"
25 Feb 2017 Lynn Sanford presents: "I Am Bad So I Do Bad: The Power of Shame"
03 Dec 2016 Deb Dana LCSW presents AFTERNOON INTENSIVE "Bringing Polyvagal Theory Into Your Clinical Practice"
03 Dec 2016 Deb Dana LCSW presents " The Rhythm of Regulation: Building Safety from a Polyvagal Perspective"
18 Sep 2016 Bruce Ecker LMFT and Sara K. Bridges PhD Present "Coherence Therapy: Training Intensive "
17 Sep 2016 Bruce Ecker LMFT and Sara K. Bridges PhD Present "Memory Reconsolidation in Psychotherapy: Utilizing the Innate, Core Process of Transformational Change"
02 Apr 2016 Constance Dalenberg, PhD, Intensive "Building Relationships and Regulation Skills in Dissociative Populations"
02 Apr 2016 Constance Dalenberg, PhD "Countertransference and Transference Crises in Working with Traumatized Clients"
12 Mar 2016 Fundamentals of Complex Trauma and Dissociation: What Every Clinician Needs to Know
30 Jan 2016 Joanne Twombly, LICSW Intensive
30 Jan 2016 Joanne Twombly, LICSW " Using Hypnotic Language to Make Your Interventions More Effective"
05 Dec 2015 Aline Zoldbrod, PhD, Intensive
05 Dec 2015 Aline Zoldbrod, PhD “Exploring the role of overt and developmental trauma in women’s desire, arousal and willingness for sex”
13 Sep 2015 Dan Hughes PhD, Intensive
12 Sep 2015 Dan Hughes, PhD, “The Challenges of Treating and Caring for Children Who Have Experienced Developmental Trauma: Understanding and Treating Blocked Trust and Blocked Care”
01 May 2015 Full Day workshop - Trauma and Contemplative Practice: Exploring the Territory (Co-sponsored by NESTTD)
22 Mar 2015 Anne Hallward, MD, Intensive *SUNDAY*
22 Mar 2015 Anne Hallward, MD - NEW DATE, DAY, AND TIME -SUNDAY Traumatic Silence and Shame: in the Victim, Perpetrator, Bystander Triangle
14 Mar 2015 Fundamentals of Complex Trauma and Dissociation: What Every Clinician Needs to Know
31 Jan 2015 Frank G. Anderson, MD “Meds and Meditation: Key Components to Healing Trauma"
06 Dec 2014 Stephen W. Porges, PhD "Connectedness as a Biological Imperative: Understanding trauma through the lens of the polyvagal theory"
18 Oct 2014 Elizabeth Bowman, MD Intensive
18 Oct 2014 Elizabeth S. Bowman, MD "How Trauma Shows Up in the Body: Recognizing, explaining, treating"
05 Apr 2014 Relentless Shame and Interpersonal Trauma: A Psychodynamic Exploration Informed by the Language of Dissociative Processes, Richard Chefetz, MD
04 Apr 2014 Richard Chefetz, MD Intensive - Working Through Impasse in Complex Trauma Treatments: A Multi-case Conference Focusing on Dissociation, Enactment, and Negative Therapeutic Reaction
15 Mar 2014 Essential Skills for the Successful Treatment of Complex Trauma and Dissociation, Suzanne Hoffman, PsyD
01 Feb 2014 Patricia Papernow, EdD Intensive
01 Feb 2014 The Complexity of Attachment Dynamics in Stepfamilies, Patricia Papernow, EdD
23 Nov 2013 Cece Sykes LCSW, Intensive
23 Nov 2013 An IFS (Internal Family Systems) Lens on Trauma, Risk-Taking and Addiction, Cece Sykes, LCSW
06 Oct 2013 Allan N. Schore, PhD Intensive
05 Oct 2013 The Science of the Art of Psychotherapy, Allan N. Schore, PhD, Full Day Event
20 Apr 2013 Essential Skills for the Successful Treatment of Complex Trauma and Dissociation with Suzanne Hoffman, PsyD
02 Mar 2013 Deborah Rozelle, PsyD, Intensive
02 Mar 2013 Deborah Rozelle, PsyD " Mindfulness, Meditation and Trauma: Finding a Path Toward Post-traumatic Growth, Resilience and Flourishing"
26 Jan 2013 Pat Ogden, PhD: Implicit Conversations, "Not Me" Self States and Dissociation: A Sensorimotor Psychotherapy Perspective
01 Dec 2012 Introduction to Dissociation with Suzanne Hoffman, PsyD
17 Nov 2012 Bethany Brand, PhD, Intensive
17 Nov 2012 "Assessing and Treating Psychotic vs. Dissociative Disorder Patients: What are the Differences?" Bethany Brand, PhD
13 Oct 2012 Christine Courtois, PhD, Intensive
13 Oct 2012 "Death in the Life of the Therapist" Christine Courtois, PhD, ABPP
05 May 2012 Steve Frankel, PhD, JD Intensive
05 May 2012 Steve Frankel, PhD, JD "Dancing with the Risks: Safe Steps, Tricky Steps, Landmines"
28 Apr 2012 Introduction to Dissociation with Suzanne Hoffman, PsyD
04 Mar 2012 Kathy Steele, MN, CS Intensive
03 Mar 2012 Beyond the Basics: Special Issues in the Treatment of Complex Developmental Trauma Disorders, Kathy Steele, MN, CS
03 Dec 2011 Trauma Experience Integration (TEI) with Complex Child and Adolescent Clients, Margaret E. Blaustein, PhD
17 Sep 2011 Maggie Phillips, PhD, Intensive
17 Sep 2011 Finding the Energy to Heal Trauma and Dissociation, Maggie Phillips, PhD
30 Apr 2011 Does Child Abuse Permanently Alter the Human Brain?, Martin Teicher, MD, PhD
02 Apr 2011 Introductory Workshop: Identifying and Treating Dissociative Symptoms in Clients with Complex Trauma Histories, Joanne H. Twombly, MSW
05 Mar 2011 Treating Complex Trauma: Optimal Integration of Treatment Models, Debbie Korn, PsyD
22 Jan 2011 Amy Banks, MD: Understanding the Neuroscience of PTSD: Clinically Useful Applications
26 Sep 2010 Diana Fosha, PhD, Master Class
25 Sep 2010 Diana Fosha, PhD: The Birth of Transformance, Transformational Theory and AEDP Work with Attachment Trauma
24 Apr 2010 Basic Workshop on Dissociation
20 Mar 2010 Frances K. Grossman, PhD; Anne Westcott, MSW, LICSW & Meg Striepe, PhD: "Working with Dissociation and Parts in Couples and Family Work: A Collaborative Model"
09 Jan 2010 Nancy Riemer, LICSW: "Creativity, Improvisation and Trauma Treatment: When there is no Road Map--finding your way home"
31 Oct 2009 Richard B. Gartner, PhD


32 Chase Avenue

Lexington, MA 02421
Phone: 508-964-2234

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