Dr. György Pirok was born in Budapest (Hungary) in 1966. He studied chemical engineering in the Budapest University of Technology and obtained M.Sc. in 1991. He synthesized biologically active compounds and examined sigmatropic rearrangements resulting in his Ph.D. in 1995. He then joined Comgenex - a combinatorial chemistry company - as the Director of Production. Since 1997 he has been working on various chemistry software developments as a consultant, and since 2002 has been the Chief Technology Officer at ChemAxon. His research and development activities cover several fields of chemoinformatics, such as advanced structure searching, screening, drug design, library analysis, etc., and his current main focus area is virtual synthesis.