1996-present, Professor, Jointly appointed between Aerospace and Ocean Engineering and Engineering Science and Mechanics, 1995-1996, Professor, 1990-1995, Associate Professor, 1985-1990, Assistant Professor, Engineering Science and Mechanics, 1985, Research Associate, 1981-1984, Graduate Research Assistant, Aerospace and Ocean Engineering, Virginia Polytechnic Institute and State University; 1981, Summer Trainee, Structural Mechanics Branch, NASA Langley Research Center; 1980-1981, Graduate Research Assistant, Mechanic and Aerospace Engineering, Illinois Institute of Technology.
Currently at Delft University of Technology, the Netherlands.
AIAA Associate Fellow