Francisco Ordóñez was trained in the study of formal linguistics. His specialization has been the comparative study of the syntax of Spanish, its varieties and other Romance languages such as Catalan, French, Italian and Occitan dialects. His present research involves the study of the syntactic differences of the dialects of Spanish spoken in Latin America and Spain. In 2006 he received a three-year National Science Foundation Grant to study "Stress Patterns with Clitics and Weak Pronominals in Post-Verbal Position in Romance" with Lori Repetti for the amount of $192,000. He also co-founded Romania Nova with Mary Kato of Universidade de Campinas (Brazil). This projects explores varieties of Spanish and Portuguese spoken in Latin America.