Nu Sigma Beta Fraternity (ΝΣΒ) is a Puerto Rican fraternity. It was established in 1937 at the University of Puerto Rico by 10 students from diverse backgrounds. It quickly expanded and 86 years later, there are chapters and zones all over the island, Dominican Republic and the United States.

The Pontifical Catholic University of Puerto Rico is a private Roman Catholic university with its main campus in Ponce, Puerto Rico. It provides courses leading to Bachelor's, Master's and Doctorate degrees in education, business administration, the sciences, and arts and humanities. It also has campuses in Arecibo and Mayagüez, as well as a satellite extension in Coamo. It is also home to a School of Law and a School of Architecture. The university also founded a medical school, Escuela de Medicina de Ponce, in 1977, but in 1980 became an independent entity that eventually became the Ponce Health Sciences University.