Justice Ricardo de Rivera Rosario was born on October 15, 1958 to Atty. Eduardo Gutierrez Rosario of Pangasinan and Mrs. Anita Alvarez De Rivera of Aparri, Cagayan. He is the fourth of thirteen siblings: Ma. Elena, Eduardo Jr., Benjamin, (Ricardo), Ma. Elizabeth, Renato, Ma. Theresa, Ma. Anita, Enrico, Edgardo, Rossano, Ma. Cristina and Bernard.
Justice Rosario obtained his pre-law degree in Political Science from the Far Eastern University in 1979, and his Bachelor of Laws degree from the Ateneo de Manila University in 1983. He is a proud member of the Aquila Legis Fraternity.
After passing the Bar in 1984, Justice Rosario began his legal career as a Legal Officer at the National Bureau of Investigation (NBI), followed by a stint as Senior Corporate Attorney at the Metropolitan Waterworks and Sewerage System (MWSS). By 1994, Justice Rosario was a Senior Assistant City Prosecutor for Quezon City.
Justice Rosario’s career in the judiciary spanned 23 years prior to his appointment by President Rodrigo R. Duterte to the Supreme Court. He became Judge of the Metropolitan Trial Court of Manila in 1997; Judge of the Regional Trial Court of Makati in 2000; and Associate Justice of the Court of Appeals in 2005, serving as Chairperson of various committees, including Chairperson of the Ninth Division of that Court. He served in the Court of Appeals for 15 years until his appointment to the Supreme Court in October 2020 to replace retired Associate Justice Jose C. Reyes, Jr.
Justice Rosario is happily married to Maridur Virtucio Rosario, the hardworking, energetic and charismatic Regional Director of Region 8-A Makati in the Bureau of Internal Revenue (BIR). They have three children: Miguel Antonio, a businessman and graduate of the University of Santo Tomas; Anna Margarita, a doctor of medicine who graduated from the Ateneo de Manila University School of Medicine and Public Health; and Allyssa Martha, a law student at the University of the Philippines College of Law. At the time of this writing, Justice Rosario is blessed with one grandson, Renzo Angelo.