On June 4-6, 2003, the sixth edition of the International Conference on Business Information Systems (BIS 2023) took place in Colorado Springs (United States).
The photo shows participants of the BIS 2003 conference (from top): Krzysztof Węcel, Willy Picard, Tomasz Kaczmarek, Prof. Witold Abramowicz, Agata Filipowska, Marek Kowalkiewicz.