Bachelor, University Puerto Rico, Mayaguez, 1962. Juris Doctor, University Puerto Rico, Rio Piedras, 1965. LMM in Taxation, Boston University, 1967.
Chief Income Tax Bureau, Puerto Rico Treasury Department, San Juan, 1970-1973. Partner Trias, Francis Doval, Colarado & Carlo, 1973-1977. Special counsel to governor of Puerto Rico, 1977-1979.
Secretary of justice Commonwealth of Puerto Rico, 1983. Senior partner Carlo & Dubos, San Juan, New York City, 1984-1989. Of counsel Durning & Webster, Seattle, 1984-1990, Malcolm Hoffman, New York City, 1984-1990.
Senior partner Carlo & Troncoso, San Juan, New York City, Seattle, 1990-1994. Judge The United States of America Bankruptcy Court (district Puerto Rico), since 1994. Chief judge The United States of America Bankruptcy Court, Hato Rey, Puerto Rico, since 1999.
Professor University Puerto Rico Law School, San Juan, 1970-1976, Graduate Business School, 1975-1977. President Tax and Economic Policy Institute, San Juan, since 1987. Delegate United Nations Law of Seas Convention, New York City, 1977-1980.
Board directors Caribbean Center for Graduate Studies, San Juan, since 1986, Puerto Rico Healthy Services, 1979-1981. Counsel State History Preservation Office, San Juan, 1980-1981, Democratic Party Puerto Rico, 1988. Delegate Citizen Ambassador Program/International Ambassadors Program, Inc., Union of the Soviet Socialist Republics, 1990.
Captain United States Coast Guard, 1967-1969. Member Puerto Rico Bar Association (chairman Civil Rights Commission 1973, board directors 1987-1988), District of Columbia Bar Association, Federal Bar Association (board directors 1988-1990), Association of Bar of City of New York, Bankers Club of Puerto Rico, Dorado Beach Hotel Golf and Tennis Club.
Married Idalia Borges. Children: Gerardo, Diana, Wamaid, Idalia, Alejandro.