[1][2] Rebollo He completed studies at the School of Commercial Administration from the University of Puerto Rico, graduating in 1959 and received his law degree from the University of Puerto Rico School of Law in 1963.
He worked as a legal officer to the then associate justice of the Supreme Court of Puerto Rico, Pedro Pérez Pimentel.
In 1973 was appointed superior judge by Governor Rafael Hernández Colón and went to serve in various courts of Puerto Rico until Governor Carlos Romero Barceló appointed him to the Supreme Court.
He took the oath of office in July 1982 after ratification by the Senate of Puerto Rico.
Rebollo has held the position of Interim Chief Justice of the Supreme Court of Puerto Rico during periods when the seat of Chief Justice has been vacant.