Mirosław Maziejuk since 1995 he is researcher in Military Institute of Chemistry and Radiometry. In 1995 he obtained his Ph.D. in the Polish Military University of Technology. He involved in many project connected with detection of warfare agents by Ion Mobility Spectrometry technology and Differential Ion Mobility Spectrometry. He has built the first DMS in Poland. He is professor of the Military Institute of Chemistry and Radiometry. His research is focused on ion mobility spectrometry and differential ion mobility spectrometry.