Mentalization-Based Treatment (MBT) and the MBT Group as a Tool for Change

Join us for an Experiential Workshop on Mentalization in Therapy

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Workshop Overview

Join us for an experiential workshop exploring the power of mentalization in both individual and group therapy.

Date: Saturday, 13th December 2025

Time: 9:30 AM to 4:00 PM

Location: The Institute of Group Analysis, London

Led by Mirek Boniecki and Alex Tagg, this workshop will delve into the concept of mentalization. We will focus specifically on relational mentalizing and its application in group therapy. Participants will receive an overview of the key elements of the Mentalization-Based Treatment (MBT) approach. The workshop will also offer experiential learning through participation in group mentalizing processes. You will learn specific group interventions that may increase the group's effectiveness. Additionally, there will be an opportunity to reflect on how this learning can be integrated into your clinical practice.

Meet the Facilitators

Mirek Boniecki is a Group Analytic Psychotherapist and Clinical Lead for MBT at Berkshire Healthcare NHS Foundation Trust. He has extensive experience working in the NHS across various teams and services, including psychotherapy, eating disorders, and personality disorders. Mirek has also supervised clinical teams delivering MBT and SCM. He is a qualified supervisor through the Institute of Group Analysis and Anna Freud. He completed the Elizabeth Garrett Anderson Programme at the NHS Leadership Academy and holds an MSc in Leadership in Healthcare. His interests include co-production, organisational dynamics, and how mentalizing working systems can enhance person-centred and collaborative care.

Alex Tagg has worked in the NHS for the past 20 years after completing her Group Analytic training. She recently retired from her Consultant post in the Personality Disorder service in Berkshire. Previously, she was the Clinical Lead in MBT and part of the Psychologically Informed Consultation and Training Team. Alex spent 10 years in the Therapeutic Community in Berkshire and has many years of experience in the third sector and private practice as a clinician, supervisor, and trainer.

Who Should Attend?

This workshop is suitable for:

• Therapists and clinicians working in group or individual therapy

• IGA trainees and members

• Mental health professionals seeking to expand their therapeutic toolkit

  
  

Fees

• IGA students: £40

• IGA members: £50

• Public: £60

  
  

Spaces are limited (maximum 30 participants). Early booking is advised.

Importance of Mentalization in Therapy

Mentalization is a crucial skill for therapists. It involves understanding one's own and others' mental states. This understanding can significantly enhance therapeutic relationships. By improving mentalization skills, therapists can foster a deeper connection with their clients. This connection is vital for effective therapy.

In group settings, mentalization can help participants understand each other's perspectives. This understanding promotes empathy and collaboration. By learning to mentalize, therapists can create a more supportive environment for their clients.

Outline of the Day

9.30am - 9.45am    Welcome and registration

9.45am - 10.45am MBT as a tool for therapeutic change

10.45am - 11.00am  Break

11.00am - 12.15pm  Small Groups

12.15pm - 13.00pm  Lunch Break

13.00pm - 14.15pm  Mentalizing in Action

14.15pm - 14.45pm  Break

14.45pm - 16.00pm  Large Group

Please note lunch is not included.

Register for the Workshop

To secure your spot, please register here.

MBT Flyer.

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