YouthAIDS is an international nongovernmental, nonprofit education, funding, and health initiative of Population Services International (PSI) that provides humanitarian assistance and brings global awareness to the proliferation of HIV/AIDS. The organization is based in Washington, D.C., and reaches out to 600 million youth (ages 15–24) in over 60 countries through the delivery of information, products, and social services. Methods used to address issues include film, television, and radio; celebrity spokespersons; pop culture initiatives; theatrical productions; music; and sports. Actress and humanitarian Ashley Judd serves the organization as their Global Ambassador.