Ruby Mosley is a community activist of great importance to the Acres Homes community and the City of Houston. She worked as a health coordinator for 18 years at Gulf Coast Community Services, advocating to provide water, sewer and other city services to residents in the rural areas of Houston. Afterward, she joined the City of Houston Cuney Homes Housing Development as a community service supervisor for 13 years, providing essential services for senior citizens and children.

Through the years, she played an integral role in creating the Acres Homes Multi-Service Center and has been a member of multiple local organizations, including the Acres Home Advisory Committee, Acres Home Super Neighborhood, Houston Police Department Advisory Committee and Gulf Coast Community Services Association.

Ruby Mosley is affectionately called the "Mayor of Acres Homes," and the Houston Chronicle named her Acres Homes' Grande Dame of Community Activism, due to her commitment to improving the community.