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JOHN A. MANGLONA

Justice John A. Manglona has been a justice for over twenty years. Governor Pedro P. Tenorio initially appointed him in early 2000, and the CNMI Senate unanimously confirmed the appointment. Justice Manglona successfully underwent two retention elections to serve eight-year terms.

Justice John A. Manglona has been a justice for over twenty years. Governor Pedro P. Tenorio initially appointed him in early 2000, and the CNMI Senate unanimously confirmed the appointment. Justice Manglona successfully underwent two retention elections to serve eight-year terms.

Justice Manglona served as an associate judge in the Superior Court from 1998 to 2000. While serving as a judge, he was also nominated by Guam Governor Carl T.C. Gutierrez to serve as a Designated Justice of the Guam Supreme Court for a term of four years. The Guam Legislature unanimously confirmed the nomination. He continues to assist the Guam Supreme Court as a justice pro tem.

Justice Manglona, born on Rota, attended Guam Catholic schools and graduated from Father Duenas Memorial School. He received his B.A. in Political Economy from the University of California, Berkeley.  He graduated from Creighton University School of Law (J.D.) and the University of the Pacific, McGeorge School of Law (LL.M. in Taxation). Prior to his appointment to the bench, Justice Manglona was in private practice focusing on probate, corporations, tax and real property transactions.


Justice Manglona actively participates in the Judiciary’s outreach programs such as the Law and the Freshman Legislator, High School Mock Trial, Justices in the Classroom and Law Week. He volunteered for many years with National Forensics League, National Speech and Debate and We the People programs as a competition coach or judge.


Justice Manglona is married to U.S. District Court for the NMI Chief Judge Mona V. Manglona, and they are blessed with two children.

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