chapter delegates. The Constitution may only be amended in General Assembly. Philanthropy The fraternity is dedicated to the creation of outstanding citizens in their community. As a result, the fraternity has many community-based programs, such as drug prevention campaigns, charity sports tournaments, and blood drives for local hospitals and the American Red Cross. Members are active in their communities, participating in environmental campaigns like SCUBA Dogs. Nu Sigma Beta also holds an annual golf tournament benefiting Instituto Santa Ana y el Colegio Caliope and her organizations such as Ronald McDonald House, Hogar Niñito Jesus, United Way, and The Salvation Army. Chapters Collegiate chapters These are the collegiate chapters of the Nu Sigma Beta fraternity. Notes Alumni chapters These are the Zones or alumni chapters of the Nu Sigma Beta fraternity. Notable members Helcías Bermudez Colom – president of NBM Corp. Rubén Berríos – three-time senator, lawyer, and president of the Puerto Rican Independence Party Luis Alfredo Colon Velanuez – senator 1944 to 1968, municipal judge of Lares 1943 to 1944 Rafael Cordero Santiago – mayor of Ponce 1989 to 2004 José Esteves – journalist with Telemundo Canal 2 Pedro Ruben Gaztambide Arrillaga – former mayor of Río Piedras and member of the Constitutional Convention of Puerto Rico Efraín Rivera Pérez – former member of the Supreme Court of Puerto Rico See also List of social fraternities and sororities References Fraternities and sororities in Puerto Rico Concilio Interfraternitario Puertorriqueño de la Florida Latino fraternities and sororities Student organizations established in 1937 1937 establishments in Puerto Rico