Deans of Russia: what are they? Teachers? Scientists? Managers?

Dean! ? is a magic word, that is used too often in the university. Someone is afraid of him, the others treats him as a defender. Everybody needs the dean ? students and their parents, teachers and chairmen, pro? rectors and rectors, employers and journalists. What is he? A teacher or a scientist? Perhaps he is a manager, economist or legal expert? Professor S.D. Reznik, a famous teacher and scientist, the author of number of works about Management in the University, about the Dean?s job.