Universidade Federal do Paraná

Professor of Physics, San Jose State University

Embry Riddle Aeronautical University

School of Engineering, UC Merced

professor of applied mathematics, university of catania

Computational Scientist, Science and Technology Facilities Council, UK

Senior Research Scientist/Engineer, AMA, Inc. at NASA Ames Research Center

Ural Federal University

Deputy Director of Engineering, NASA Johnson Space Center

Research Scientist, AMA at NASA Ames Research Center