Welcome to the Gamma Delta Sigma Chapter of Phi Beta Sigma Fraternity, Inc. FB Page. http://orlandosigmas.org The mission of the Gamma Delta Sigma Chapter of Phi Beta Sigma Fraternity, Inc., is to promote the Fraternity's core principles of Brotherhood, Scholarship and Service through membership services for its members provide scholarships and continuing educational opportunities for its youth auxiliary, collegiate and alumni brothers and give service to the Central Florida area by engaging in activities that promotes the Fraternity's International Programs of Bigger & Better Business, Education, Social Action and the Sigma Beta Club.