See Schedule OHouston Arts Alliance (HAA) is a local arts and culture organization whose principal work is implementing the City of Houston's vision, values, and goals for its arts grantmaking and civic art investments. HAA conducts work through contracts with the City of Houston, overseen by the Mayor's Office of Cultural Affairs. HAA also executes privately funded special projects to meet the needs of the arts community and energize neighborhoods. In short, HAA helps artists and arts nonprofits be bold, productive, and strong.