OWI’s members and professionals are coming from different spheres of activity. They are especially trained and work for governmental and non-governmental institutions or as consultants. They are experienced in:

• health care
• social work
• social work education,
• management of the social and health sectors, managing social organisations, social planing
• social work services like for disabled children and youth welfare services, drug and HIV/AIDS prevention, work with street children, homeless people and young delinquents, etc.
• OWI's professionals have profound experiences in organisation development (OD), organisation diagnosis, change management, project planning and capacity building, fund-raising and volunteering.