Delta Sigma Theta Sorority, Incorporated is a private, not-for-profit organization whose purpose is to provide assistance and support through established programs in local communities throughout the world. The organization is a sisterhood of predominantly Black, college educated women. Since its founding more than 300,000 women have joined the organization. The Sorority has over 900 collegiate and alumnae chapters located in the United States, the Arabian Gulf, Bahamas, Bermuda, Canada, Germany, Jamaica, Japan, the Republic of Korea, and the Virgin Islands.
Since its founding in 1913 Delta Sigma Theta Sorority, Inc. has clearly distinguished itself as a public service organization that boldly confronts the challenges of African Americans and, hence, all Americans. Over the years, a wide range of programs addressing education, health, international development, and strengthening of the African American family have evolved. In realizing its mission, Delta Sigma Theta Sorority, Inc. provides an extensive array of public service initiatives through its Five-Point Programmatic Thrust of:
- Educational Development
- Economic Development
- International Awareness and Involvement
- Physical and Mental Health
- Political Awareness and Involvement
Tucson Alumnae Chapter of Delta Sigma Theta Sorority, Inc. was chartered on June 24, 1967 with fourteen members. Mauvolene F. Thomas is credited with leading the effort to charter a chapter of Delta Sigma Theta Sorority, Inc. in Tucson, Arizona.