Assistant Technology University, Lwow, 1939-1942. Chemical engineer Petroleum Refineries, Jaslo a Glinnik, Poland, 1943-1945. Head department petroleum technical Technology University, Gliwice, 1945-1969.
Head department petroleum and coal chemistry Polish Academy of Sciences, 1954-1985, consultant, since 1985. Dean chemistry faculty Technology University, Gliwice, 1958-1960. Member chemical science committee Polish Academy of Sciences, Warsaw, Poland, 1968-1978.
Chairman science board Petroleum Technology Institute, Cracow, Poland, 1972-1980. Member permanent council World Petroleum Congress, 1975-1981.