 He worked at the Department of Geology and paleontology from 19511960 as an assistant to professor Dimitrij Andrusov, and from 1960 to 1970 as an associated professor.From 19631965, Mišík taught at the University of Havana, and from 1966 to 1970, he served as the head of the Department of Geology and paleontology where he lectured on the regional Geology of the Western Carpathians, petrography of sedimentary rocks, geotectonics, historical geology and stratigraphy.In 1970 he obtained a doctoral degree and was appointed professor of geology.