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Clinical Consultant
Dan Hughes, PH.D



Dan Hughes, Ph.D. is a clinical psychologist who founded and developed Dyadic Developmental Psychotherapy (DDP), the treatment of children who have experienced abuse and neglect and demonstrate ongoing problems related to attachment and trauma.  This treatment occurs in a family setting and the treatment model has expanded to become a general model of family treatment.   He has conducted seminars, and workshops, and spoken at conferences throughout the US, Europe, Canada, and Australia for the past 20 years. 


He is also engaged in extensive training and supervision in the certification of therapists in his treatment model, along with ongoing consultation with various agencies and professionals.   He is president of DDPI a training Institute which is responsible for the certification of professionals in DDP.  Information about DDPI can be found on


Dan is the author of many books and articles.  These include Building the Bonds of Attachment, 3rd Ed. (2017), Attachment-Focused Family Therapy Workbook (2011), and, with Jon Baylin, Brain-Based Parenting (2012) and The Neurobiology of Attachment-Focused Therapy (2016).  Along with Kim Golding and Julie Hudson, Dan has recently completed Healing relational trauma with attachment-focused interventions: Dyadic Developmental Psychotherapy with Children and Families (to be published by W.W. Norton, 2018).   Dan has a limited practice in South Portland, Maine, USA.   

Dan can be contacted at:   


An Attachment, Trauma & ASD Informed Treatment Setting

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