Joaquín Cruz Pérez was an early Guam

Guam

Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

 judge

Judge

A judge is a person who presides over court proceedings, either alone or as part of a panel of judges. The powers, functions, method of appointment, discipline, and training of judges vary widely across different jurisdictions. The judge is supposed to conduct the trial impartially and in an open...

 and acting-Governor of Guam from February 1 to April 20, 1899. He was first appointed as Justice of the Peace

Justice of the Peace

A justice of the peace is a puisne judicial officer elected or appointed by means of a commission to keep the peace. Depending on the jurisdiction, they might dispense summary justice or merely deal with local administrative applications in common law jurisdictions...

 in 1894 by the Spanish

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 government of Guam. After the capture of Guam by the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 during the Spanish-American War

Spanish-American War

The Spanish–American War was a conflict in 1898 between Spain and the United States, effectively the result of American intervention in the ongoing Cuban War of Independence...

, he retained his role as a judge, sometimes unofficially. (In 1910, the United States Navy

United States Navy

The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 took control of the Guam courts system over an issue of intermarriage

Interracial marriage

Interracial marriage occurs when two people of differing racial groups marry. This is a form of exogamy and can be seen in the broader context of miscegenation .-Legality of interracial marriage:In the Western world certain jurisdictions have had regulations...

.) In 1915, the United States restored the local judiciary and Cruz Pérez was appointed as an Associate Justice in an earlier Supreme Court of Guam, not related to the present Supreme Court.