Willis Dady Homeless Services. Job Title. Veteran Prevention Case Manager. Immediate Supervisor. Veteran Programs Manager. Agency Overview. Since 1987, Willis Dady Homeless Services has been working to empower individuals and households to break the cycle of homelessness. and become self-sufficient. Willis Dady offers robust and individualized services to households at risk of and experiencing homelessness in Linn County. Iowa. Willis Dady works ...