Professional Experience

Professor
Dept. of Computer Science , University of North Carolina at Charlotte (1987 - present)
Professor
Polish-Japanese Academy of Information Technology, Warsaw, Poland (9/01/2005-8/31/2010), (9/01/2016 - present)

Professor
Institute of Computer Science , Warsaw University of Technology, Warsaw, Poland (9/01/2010 - 6/30/2019)
Professor/Foreign Associate
Institute of Computer Science , Polish Academy of Sciences, Warsaw, Poland (1994 - 2013)
Visiting Professor
Dept. of Computer Science, Warsaw Univ. of Technology, Warsaw, Poland (Spring, 1993), (Fall, 2009)
Overseas Associate
Centre for AI and Cognitive Learning, Univ. of Greenwich , London, UK (1995 - 2001)
Visiting Professor
IASI-CNR, Rome, Italy (Summer, 1992)
Visiting Professor
Dept. of Computer Science, University of Bonn, Germany (Summer, 1991)
Visiting Professor
Universitat de les Illes Balears, Palma, Illes Balears (Summer, 1990, 1991, 1992)
Summer Associate
Research Laboratory, Lockheed, Palo Alto, CA (6/89 - 9/89)
Associate Professor
Dept. of Computer Science, University of Tennessee at Knoxville (1985 - 1987)
Associate Professor
Dept. of Computer Science , University of North Carolina at Charlotte (1983 - 1985)
Visiting Associate Professor
Dept. of Mathematics , University of North Carolina at Charlotte (1981 - 1983)
Assistant Professor
Institute of Mathematics, University of Warsaw, Poland (1974 - 1983)
Visiting Associate Professor
Dept. of Computer Science, Linkoping University, Sweden (Summer, 1980)
Visiting Assistant Professor (working under supervision of Prof. Stan Ulam)
Dept. of Mathematics, University of Florida, Gainesville (1978 - 1979)
Assistant Professor
Dept. of Computer Science, Jagielonian University, Krakow, Poland (1976 - 1978)
Postdoc (working under supervision of Prof. Samuel Eilenberg)
Dept. of Mathematics, Columbia University, NY (1975 - 1976)

Invited Presentations at:

Univ. of Colorado at Boulder, Simon Fraser Univ., Univ. of Montreal, Univ. of Waterloo, Concordia Univ., Univ. of Chicago, Univ. of Kansas, Univ. of Tennessee, Indiana Univ., Univ. of Pensylvania, IBM - San Jose, Carnegie-Mellon Univ., NYU, SUNY at Stony Brook, Wayne State Univ., Univ. of Bonn (Germany), Univ. of London (England), Univ. of Wisconsin, Humboldt Univ. of Berlin (Germany), Univ. of Florida, Univ. of Roma (Italy), Univ. Palma de Mallorca (Spain), Charles Univ. in Prague (Czech Republic), Univ. of Torino (Italy), Vrije Univ. Brussels (Belgium), Warsaw Univ. of Technology (Poland), Poznan Univ. of Technology (Poland), Univ. of Warsaw (Poland), George Mason Univ., Linkoping Univ. (Sweden), Meiji Univ. (Japan), Waseda Univ. (Japan), Yamaguchi Univ. (Japan), Univ. of Regina (Canada), Univ. of Karlsruhe (Germany), Univ. of Dortmund (Germany), etc