All the founders were campus intellectual or political leaders. From its founding, intellectual or political leadership or the potential to rise to leadership - was the basis for the extension of an invitation to membership, and the standard by which all aspirants are evaluated so that they may qualify for eventual admission to its Roll of Lords. Another tradition started by the backgrounds of the founding Brothers was the emphasis on applicants from a strong middle class background.

The founding members, in alphabetical order, were:

Arturo B. Atienza, a seasoned campus debater, and member of the College of Law debating team. He later rose to prominence as a law practitioner in MetroManila.

Antonio L. Azores, who became the first University Student Council President when that body was organized in 1940. He later became a coconut tycoon, and later, was a law practitioner in Washington, D.C., U.S.A.

Benedicto C. Balderrama, another member of the College of Law Debating Team, was elected the first Lord Chancellor. He became a very prominent law practitioner in Metro Manila.

Renato B. Constantino was then Editor-in-Chief of the Philippine Collegian. He later became a brain trust to prominent political figures, their resident intellectual counsel, an authority on history and nationalism, a columnist in several newspapers, and author of various historical tomes.

Macario Cruz, was a student leader, who later became Chief of the U.S. Veterans Administration Legal Department.

Bienvenido C. Ejercito, was an ROTC regimental commander and varsity letterman. He has risen through government service and became Associate Justice of the Court of Appeals.

Florencio B. Floirendo, was a very studious man who later rose to be a Regional Trial Court Judge, and after retirement, was elected to the post of Vice Mayor of his home town, Cuyapo, Nueva Ecija.

Adriano R. Garcia was then President of the University Senior Council. He entered the Philippine diplomatic service and was posted as Philippine Ambassador to key European capitals. His talents were recognized by the United Nations which posted him as its Chief of Mission in several South American and Asian countries.

Leandro V. Infantado was an active student leader in the College of Law. He later entered government service and became Senior Assistant Fiscal of the Prosecution Service in Manila.

Elias Lavadia was an ROTC regimental commander and varsity letterman. He became a General in the Philippine Air Force and was later the General Manager of the Philippine Aerospace Development Corp.

Rustico V. Nazareno had a reputation for scholarship in the College of Law. He later became an institution in law practice.

Rosendo J. Naval was another student with good grades who later became a Commodore in the Philippine Navy.

Francisco S. Sumulong had good grades in the College of Law. After graduate studies abroad, he established his reputation in law practice, entered politics, and served his district in Rizal as Congressman and Assemblyman. He also became Majority Floor Leader of the House of Representatives.

Gerardo Tioseco was another scholar who eventually earned his place as a businessman and co-owner of SUGECO, an industrial gas maker.

Teodosio V. Valenton was a student leader with good grades. After graduation, he practiced law and became the Mayor of Talavera, Nueva Ecija. After politics, he resumed practice, and became owner of a technical college in Manila. He was also an agribusiness entrepreneur.

Manuel Vijungco was a law student with excellent grades. He became a reputed law practitioner specializing in transportation cases, a publisher of trade publications, and was APT-elected Board Chairman of the PANTRANCO North Express Inc., and Chairman of its Executive Management Committee.

Jose Villacorta was another popular campus figure with good grades. He became prominent as a law practitioner, and later was City Fiscal of Caloocan City until he retired.

Manuel Vistan, Jr. was a star varsity letterman in basketball. He later went into law practice and was in movie production until his untimely demise.

Exequiel M. Zaballero, Jr. was a student leader. He rose to prominence both as a law practitioner and as a coconut producer in his province, until he died at an early age.

Prof. Ambrosio H. Padilla was unanimously elected as the Charter Adviser of the fraternity. He became a prominent law practitioner, a professor of law, Solicitor General and later, a Senator.