Juan Francisco Luis (July 10, 1940 – June 4, 2011) was a United States Virgin Islands politician who served as the third elected Governor of the U.S. Virgin Islands and the territory's 23rd governor overall. Luis assumed the governorship on January 2, 1978, succeeding Governor Cyril King, who died in office. He held the governor's office from 1978 until 1987, becoming the longest-serving governor in the history of the U.S. Virgin Islands.Luis was born in 1940 on the neighboring island of Vieques in Puerto Rico. He moved with his family to Saint Croix-which has a sizeable Puerto Rican community-in the U.S. Virgin Islands when he was two months old. In 1958, Luis graduated from the former Christiansted High School as his class' valedictorian. Wikipedia