It is led by the Coventry and Warwickshire Partnership NHS Trust (CWPT) and the University of Warwick. The work for this project is being carried out at CWPT, East London NHS Foundation Trust (ELFT) and Devon Partnership Trust (DPT).

OPAL involves collaborative work engaging various stakeholders, including: carers, service users, health and social care professionals, charity officers, commissioners and other policymakers.

Coventry and Warwickshire Partnership NHS Trust

East London NHS Foundation Trust

Devon Partnership NHS Trust