Student, George Washington University, 1969. Bachelor in Economics, University North Carolina, 1972.
Private art dealer, Spartanburg, South Carolina., 1972-1977;
vice president, Osuna Gallery, Washington, 1977-1981;
president, Crowley de Andino Holmes, Washington, 1981-1982;
president chief Executive officer, de Andino Fine Arts Inc., Washington, since 1982. Chairman development committee, board director New Art Examiner, Washington, 1984-1988. Vice president corporation gift division Cavalier and Buckley, Washington, 1986-1987.
Consultant 406 7th St. Project, Washington, 1980.
Fundraiser National Democratic Committee, Washington, 1984, 1986. Member American Society Appraisers (president metro District of Columbia chapter since 1999), Appraisers Association American (certified).
Son of Luis Antonio M. de Andino and Jacqueline (Dupa) Dietrich.