Diliman campus In the aftermath of the Battle of Manila. Prominent landmarks in the Diliman campus such as Palma Hall, Melchor Hall, Quezon Hall, and the Church of the Risen Lord were designed and constructed by university architect and Upsilonian Cesar Concio. Through the efforts of the UP Alumni Association headed by Upsilonian Hermenegildo Reyes, the fraternity helped raise funds for the construction of the bell tower called the "Carillon" which still stands today as another prominent landmark. Meanwhile, a chapter in UP Los Baños was established; the first Greek-letter organization in the campus. During the same period, the fraternity hosted the Cavalcades, a series of stage plays and musicals that began on campus and eventually toured nationwide. Profits from "Aloyan" (the first full-length English play written by a Filipino) and "Hanako" plays were used to help finance the construction and furnishing of the Church of the Holy Sacrifice. One of the fraternity's productions, Linda, cast the then 17-year-old Pilita Corrales. Recent years In 2013, the fraternity was named as a finalist in the Ten Accomplished Youth Organizations (TAYO) Awards, the country’s premier institution that recognizes and supports the outstanding contributions of youth organizations to the country.On July 25, 2018, the Malacañang Palace issued Proclamation Order No. 539 recognizing the fraternity for its "significant contributions to numerous civic and humanitarian causes, as well as the dedication and commitment of its members to public service and nation-building." The year 2018 was also declared as the "Year for the Celebration of the Centennial Anniversary of the Upsilon Sigma Phi." In the same year, the fraternity inaugurated the UP Promenade, a 120-meter walkway equipped with internet and Wi-Fi capable facilities available for public use. In the Los Baños campus, the fraternity also unveiled another flagship centennial project, The Kapit-Kapit Monument, which depicts 14 individuals with their arms locked in solidarity. Membership Members of the Upsilon Sigma Phi are called Fellows or Upsilonians. Membership is by invitation only and is exclusive to male individuals in the University of the Philippines Diliman, Manila and Los Baños campuses. Selection is based on an individual's leadership positions and potential success and prominence in their respective fields (both on- and off-campus). Owing to its rigorous screening of invitees, its alumni roster consists of a diverse roll of successful members in public service, industry, medicine, military, and academia among others. In public service alone, the fraternity has produced two