Professional Career
- Polish Academy of Sciences, Warsaw, Poland, Control Theory Institute, Assistant Professor, 1975-1980
- University of California, Los Angeles, CA, Systems Science Department, Postdoctoral Fellow 1977-1979; Visiting Assistant Professor, 1979-1980
- University of Florida, Gainesville, FL, Mathematics Department, Assistant Professor, 1980-1981; Associate Professor, 1981-1984; Professor, 1984-1987
- University of Virginia, Charlottesville, VA, Department of Applied Mathematics, Professor, 1987-1998; Department of Mathematics, Professor 1998-