He holds a Ph.D. in Computer Science(CS) from Virginia Tech (2004), an M.S. in CS from State University of Campinas, Brazil (Unicamp,1997), and a B.S., also in Computer Science, from the Federal University of Ceara, Brazil (UFC, 1995). Professor Goncalves has served as referee on different journals (TOIS,TKDE, IP&M, Information Retrieval, Information Systems, etc.) and at several conferences (SIGIR, CIKM, JCDL, TPDL, etc.). His research interests include information retrieval, digital libraries, text classification and text mining in general, having published more than 150 refereed journal articles and conference papers in these areas. Marcos is currently an affiliate member of the Brazilian Academy of Sciences.