Galicia obtained his professional degree in architecture in 1988 from the University of Notre Dame, Notre Dame, Indiana, where he was a Notre Dame Scholar. He received a University of Notre Dame Distinguished Asian Pacific Alumni Award in June 2005. He also studied architecture for a year at Notre Dame's campus in Rome, and pursued graduate studies in architecture at Pratt Institute in New York.
Although a modernist by philosophy, he is deeply concerned with the preservation of historic architectural sites. He has served as Vice President of the Heritage Conservation Society, member of the Executive Council of the National Committee on Monuments and Sites (NCMS) of the National Commission for Culture and the Arts (NCCA), and on the Board of Trustees of the Philippine Green Building Initiative (PGBI). He represents the Philippines in the ICOMOS International Scientific Committee on Twentieth-century Heritage (ISC20C), in which capacity he helped to develop “BPO@Escolta,” the public-private initiative to revive Manila’s historic downtown. Ongoing projects include the proposed 20,000 square meter National Museum of Natural History, in Rizal Park, Manila.