Martinez-Fernandez is professor of history at the University of Central Florida. He has recently finished a survey history of the Cuban Revolution; working on a general history of early colonial Cuba.
He has been an expert witness for the defence in Puerto Rican tobacco-related court cases. Later he became active in Engle Progeny cases in Florida. Martinez-Fernandez has disclosed in multiple court-related declarations how much he charges per hour for his litigation-driven work. In 2003, in Rivera v. R.J. Reynolds he declared that he charged $125 an hour. He also stated that he had worked 600 hours on his expert report and an extra 30 hours for issues relating specifically to Rivera. One year later Martinez-Fernandez was deposed in Alvarez v. R.J. Reynolds. In this deposition he declared that he charged depending on the work: $200 to $275 an hour for his litigation research. The following year, Martinez-Fernandez testified that he made $150 an hour. He furthermore acknowledged that he had done 670 hours of litigation-driven research. So by Martinez-Fernandez’ most conservative hourly rate, he has made in excess of $83,750.
 See affidavit of Luis Martinez-Fernandez, Rivera v. R.J. Reynolds. Westlaw reference: 2003 WL 25625479.
 See deposition of Luis Martinez-Fernandez, September 21, 2004, Alvarez v. R.J. Reynolds. Westlaw reference: 2004 WL 5487028.
 See affidavit of Luis Martinez-Fernandez, June 14, 2005, Valle-Ortiz v. R.J. Reynolds. Westlaw reference: 2005 WL 6772401.