Antônio Tadeu A. Gomes is a researcher at the National Laboratory for Scientific Computing (LNCC), Brazil. He is head of the Mechanisms and Architectures for Tele-informatics Research Group (MARTIN), and the executive officer of the Brazilian National System for High-Performance Computing (SINAPAD). He received his Ph.D. in Computer Science from the Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Brazil, in 2005. His research interests include quality of service, mobile computing, high-performance computing, and software architecture and modeling. He is a member of the Association for Computing Machinery (ACM) and the Brazilian Computer Society (SBC). He is recipient of the productivity research award PQ-2 from the Brazilian Research Council (CNPq).