From 1924, he lectured (subjects included treasury finance, banking policy, and social insurance) at the Academy of Foreign Trade in Lwów. From 1927, he worked there as associate professor, from 1931 as full professor, and, in addition, from 1931–1939, he was the rector. He continued to lecture during the Soviet occupation of Lwów (1939–1941), when the Academy of Foreign Trade was transformed into the Lwów State Institute of Soviet Trade.