The National Alliance to End Homelessness is a nonprofit organization based in the United States that focuses on preventing and ending homelessness. Founded in 1983, it works with various stakeholders, including government agencies, service providers, and community organizations, to develop effective strategies and policies. The organization emphasizes the importance of affordable housing, supportive services, and systemic change to address the root causes of homelessness. Through research, advocacy, and education, the National Alliance to End Homelessness aims to raise awareness about homelessness and promote best practices. It provides resources and training to help communities implement solutions that can lead to sustainable outcomes for individuals and families experiencing homelessness.