'''Prof. Anton Peterlin, Ph. D.''', founder director 1949-1955 <<BR>> '''Karol Kajfež''', 1955-1958<<BR>> '''Lucijan Šinkovec''', 1959-1963<<BR>>'''Prof. Milan Osredkar, Ph. D.''', 1963-1975<<BR>> '''Prof. Boris Frlec, Ph. D.''', 1975-1984<<BR>>'''Prof. Tomaž Kalin, Ph. D.''', 1984-1992 <<BR>>  '''Prof. Danilo Zavrtanik, Ph. D.''', 1992-1996<<BR>>'''Prof. Vito Turk, Ph. D.''', 1996-2005 <<BR>> '''Prof. Jadran Lenarčič, Ph. D.''', 2005-2020 -  [[https://www.ijs.si/ijsw/Jadran Lenarčič ENG | Website ]]