Education
University of the Philippines.
University of the Philippines.
He briefly served for two and a half months from April 19, 1988 to June 30, 1988. Yap, a bar topnocher, served as secretary of the United Nations Human Rights Commission and was one of the 16 delegates who refused to sign the 1973 Philippine Constitution. He was appointed to the Presidential Commission on Good Government in 1986 before being appointed associate justice.
He was a law professor specialized in International Law.