sentences:  From 1989 until 1992 he was the Associate Dean of the Mechanical Engineering Department at the mentioned academy.At the same time, he was also the director of the Zaklad Eksploatacji Maszyn Przemyslu Spozywczego.He participated in academic trainings in Russia (Institute of Agricultural Engineering), Great Britain (Silsoe College) and the United States (Cornell University, Geneva Agricultural Experimental Station).