Bachelor, Binghamton University, 1980. Master of Arts, Binghamton University, 1983. Doctor of Philosophy, University Minnesota, 1994.
Visiting lecturer, Macalester College, St. Paul, 1988-1990;
assistant professor, Metro. State University, St. Paul, 1989-1991;
assistant professor, Mankato (Minnesota) State University, since 1991. Adjunct instructor John Jay College, New York City, 1983.
Member hispanic learner task force Minnesota Department Education, Mankato, 1991-1992. Consultant The Ford Foundation, 1989-1990. History chair Columbus Quincentennial Committee, St. Paul, 1990-1992.
Board of directors Puerto Rican Family Institute, New York City, 1969-1970. Latin music program director WHRW-FM Radio, Binghamton, 1979-1983. Volunteer Centro Cultural Chicano, 1985-1986.
Member American Society Ethnohistory, American History Association, Association Caribbean Historians, National Association Ethnic Studies, Puerto Rican Studies Association.
Married Terri Veronica Williams, October 15, 1983. Children: Marcus Antonio, Mateo Luis, Monica Ashley.