Stanislaw Raczynski received his master’s, doctorate, and habilitation degrees in the area of control theory and optimization methods from the Academy of Mining and Metallurgy (AGH) in Krakow, Poland. He joined the Institute for Automatics and Industrial Electronics of AGH in 1964, and from 1971 through 1972, he headed its Computer Center. Between 1973 and 1976 he worked as a researcher in the International Research Group in Moscow, USSR, later becoming head of the Systems Analysis Group at the AGH. Dr. Raczynski joined Panamericana University in Mexico City in 1986. Between 1996 and 2000 and between 2002 and 2004, Dr. Raczynski was the International Director of TheSociety for Computer Simulation. He wrote four books on computer simulation and has more than 140 articles and papers published in professional journals and conference proceedings.