Being a Member of DDPI Worldwide means you are an important part of DDP; an approach that is rapidly growing with interest spreading to new countries each year.
Only certified Practitioners and Organisations can be Members, DDPI Worldwide has organisational and certification processes that fit across different countries and continents. Members are a part of an international DDP community; one that continues to develop via this website and through our:
- Google Groups/ listserve (open to all those who have completed DDP Level One training)
- Email newsletters
- Social media channels: Facebook, Bluesky, LinkedIn, Vimeo
- DDP Special Interest Groups, DDP Supervision Groups, DDP Study Days and Conferences
- DDP in Focus Workshops and DDP Professional Development
The Board hopes you feel you belong to and are supporting both a local and international community as a Member of DDPI Worldwide.
Certification Standards Notice
DDPI Worldwide Certification and Practicum requirements are governed by the DDPI Worldwide Regulations Governing the Use of DDPI Worldwide Certification Marks (Certification Rules). Where any summary information on this website differs from the formal Certification Rules, the Certification Rules prevail. Any approved amendments to practicum structures or certification requirements are implemented in accordance with the Certification Rules.
The next planned updates to practicum structures are scheduled to take effect on 1 January 2027. Until that date, current published requirements remain in force. Please get in touch if you have any questions.
How do I become a member?
Therapists and practitioners become members once they have started their certification as a DDPI Worldwide approved Practitioner in Dyadic Developmental Psychotherapy.
DDPI Worldwide approved certificates are countersigned by the founder of DDP, Dan Hughes. They include the DDPI logo and from 2026 will include the DDPI Worldwide logo. All individuals who wish to become certified Practitioners in DDP should check whether the practicum they are undertaking will receive a DDPI Worldwide approved certificate.
How do I maintain my membership?
All DDP Practitioners and those in training are required to be members in good standing of the Dyadic Developmental Psychotherapy Institute and abide by the DDPI Worldwide Code of Conduct.
For DDP Practitioners, membership in DDPI Worldwide requires:
- Timely payment of the annual DDPI Worldwide membership fee
- Maintaining professional indemnity insurance and
- Maintaining registration or licensing with your professional body
Renewal of Certification is required every 4 years and includes these three elements:
- DDPI Worldwide Membership
- Submission of the signed DDPI Worldwide Attestation form
- Clinical supervision
More detailed information and how to pertains to membership can be found on our Renewal of Practitioner Certification page.
Failure to meet membership criteria will result in the loss of Certified status. Only DDPI Worldwide approved Practitioners, Consultants and Trainers in good standing are listed on the the DDP Network website. Membership of DDPI Worldwide does not include the right to have a profile included on the DDP Network website.
What are the fees and what are they used for?
The Annual Membership fees are due from May 1 each year.
| Annual Membership Fees | Fee |
|---|---|
| Practitioner Annual Membership Fee | $100 |
| Consultant Annual Membership Fee | $150 |
| Trainer Annual Membership Fee | $400 |
| DDP PACE Trainer Annual Membership Fee* | $100 |
| DDP Organisation Annual Membership Fee Fees vary depending on size of organisation and are listed in the Organisation Certification section |
Membership fees are used to fund the working of the Board including funding the Executive Team, our websites and organisational infrastructure.
All Board members give their time for free.
How many members are there?
DDP is growing rapidly globally. There are currently over 380 certified Practitioners in DDP and Practitioners in training across countries in 5 continents.
