Local sorority to hold HIV/AIDS workshops and free onsite screening. Delta Sigma Theta Sorority. Bethea, Princess. "Delta Sigma Theta Named a Challenge Champion by The 50 Million Pound Challenge" (PDF). Designated regions of the school will be named in honor of the 7 dwelling Past National Presidents: Frankie Muse Freeman, Esq., Dr. Thelma T. Dailey, Mona Humphries Bailey, Dr. Bertha M. Roddey, Congresswoman Marcia L. Fudge, Rev. Gwendolyn E.