1995年、理事長の小谷英文教授(国際基督教大学)と故Edward L. Pinney 博士(元アメリカ精神分析医協会会長)によって設立され、年次大会とワークショップを行っている。

The purpose of IADP is to accumulate essential knowledge and technique of psychotherapy from the standpoint of psychodynamics, to deepen the meaning of psychotherapy for human beings, and to progress the research which enhance the clinical effectiveness.

The association was founded by Hidefumi Kotani, chief director, and the late Dr. Edward L. Pinney, on 1995. Annual conference and workshop has been taking place ever since.