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Services > Training


Sian regularly provides training for clinicians, educators and parents with the focus on understanding developmental trauma, recognizing its pervasive effects on all aspects of development and finding ways of being that invite children who have been hurt by relationships into new experiences of relationships.

DDPI-approved level one and two trainings are offered in different parts of the world by certified DDP trainers. To learn more about what trainings involve and where they are occurring click here.


In addition to four-day trainings Sian is available for half day, full day and two day trainings. Please contact Sian to discuss what trainings meet your organization’s needs.

Dyadic Developmental Psychotherapy/Practice Level 1

This is a four-day training developed and authorized by the Dyadic Developmental Psychotherapy institute. Level 1 introduces participants to the principals of Dyadic Developmental Psychotherapy, Practice and Parenting. The training involves the presentation of theory and principals, the practice of those principals in small groups, discussion and viewing of clinical videos. The training is appropriate for individuals or teams working with children who have experienced developmental trauma and the adults who care for them. The maximum number of participants is 24 for in-person training and 12 for virtual, on-line training.

Dyadic Developmental Psychotherapy/Practice Level2

This four-day training follows the introduction to DDP and deepens participants’ understanding and practice of DDP. Participants are encouraged to bring videos of their own work or to engage in more complex role plays that are relevant to their role for discussion and feedback. Level 2 also asks participants to explore their own attachment history and reflect how their experience of being parented is reflected in their personal and professional lives. The maximum number of participants for level two is reduced to 15 to ensure the emotional safety required for more in-depth learning and 9 for virtual training.

Links to available trainings

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