---
title: "Alexandro C. Castro | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/alexandro-c-castro-mp"
page_type: "judge_profile"
updated: "2026-10-07"
---

# Alexandro C. Castro

Supreme Court of the Northern Mariana Islands · Chief Justice

## Profile

- Court: Supreme Court of the Northern Mariana Islands
- State: Northern Mariana Islands
- Role: Chief Justice
- Service status: active

## Summary

Alexandro C. Castro — Supreme Court of the Northern Mariana Islands

## Sources

- [www.nmijudiciary.gov](https://www.nmijudiciary.gov/justices)

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## Biography

### Professional career

- Appointed by Governor Benigno R. Fitial on September 13, 2012, and confirmed by the CNMI Senate on October 11, 2012, becoming the fourth Chief Justice of the Northern Mariana Islands

### Education


### Additional information

- Alexandro C. Castro is the Chief Justice of the Supreme Court of the Commonwealth of the Northern Mariana Islands, serving since October 11, 2012, and currently up for retention election in November 2026
- Castro is actively seeking retention in the 2026 general election, citing his leadership in judicial recovery, modernization, and public service.
- As Chief Justice, Castro presides over the CNMI Supreme Court, which is the highest judicial body in the Northern Mariana Islands.
- His jurisdiction covers the entire Commonwealth, and he oversees the administration of justice, including the Superior Court and specialized courts
- Castro has participated in “Justices and Judges in the Classroom” programs, visiting schools to explain the court system and encourage student participation in legal competitions



## Published courtroom rules

### Shared court rules

- [Northern Mariana Islands Supreme Court — oral argument](https://knowjudges.com/courtroom-rules/national-shared-set-520074a642e41badcd6a7ec6) — Supreme Court only; appellate rules effective March 15, 2024. Retains court discretion over argument time; later amendments and orders control. Shared baseline only, not a judge-specific preference or complete local rules inventory. Apply source exceptions, case-type limits, later amendments and case orders. [Official source](https://cnmilaw.gov/docs/courtrules/R01.pdf). Collected 2026-10-27.