In the framework of user requirements, we conducted interviews with the use case partners in the SUN project in order to understand better their needs and uncover insights and opportunities for desinging better the XR project pilots and applications. In this post, we are introducing OAC, a partner in SUN working in the pilot eXtended Reality pilot for rehabilitation.On Youtube you can listen what Petra Thaller, Founder and President of OAC has to say about the key reasons the organisation is participating in the SUN project, their tasks and responsibilities and the expected benefits from their participation.