Phi Sigma Alpha
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Phi Sigma Alpha, commonly known as La Sigma, is a Puerto Rican fraternity originally established as the Sigma Delta Alpha Fraternity on October 22, 1928, at the University of Puerto Rico by twelve stu
Escudo Sigma
Bandera SIGMA
Monument of Sigma Iota's birthplace on the former LSU Campus
Sigma founders and two of the first members to join
Raymond Arrieta
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Ramón Emilio "Raymond" Arrieta Vázquez, is a Puerto Rican actor, comedian, host and philanthropist. Starting his career as a comedian in various local shows, Arrieta gained popularity in the 1990s whe
Phi Sigma Alpha
…to raise funds for charities. The Beta Boriquen chapter coordinates one such tournament with the Mayagüez Rotary Club. The fraternity raised funds for Da Vida Caminando con Raymond (Walk-A-Thon) during the years the event was active; its members raised $25,000 in 2023. The fraternity once again donated to the "Da Vida Walk-A-Thon" in 2025…
Arrieta at the 2015 Phi Sigma Alpha Convention
Caminata Raymond Arrieta