Minc joined in 1921, the Communist Party of Poland ( KPP ) and studied law at the University of Warsaw. When he was threatened with arrest because of agitational activities, he fled to France, where he could continue his studies. This he graduated with a thesis on the circulation of money. In France, he also appeared as a trade unionist in appearance and helped organize Polish miners in northern France in the CGT. In 1928, he was therefore expelled from France. Back in Poland, he entered the civil service (the Statistical Office and the Ministry of Finance Advisory Board ), but was dismissed due to his continued political activities. Since 1939 he lived in the USSR, where he first taught economics at the University of Samarkand.
In 1943 he was co-organizer of the First Infantry Division Tadeusz Kościuszko, the nucleus of the later Polish People's Army. He belonged to various communist organizations and was a member of the Politburo of the Central Committee of the PPR, after 1948 the PZPR ( Polish United Workers Party ) since 1944. From 1944 to 1947 he was also the Minister of Industry, 1947 to 1949 for Industry and Trade, 1949-1956 Deputy Prime Minister, 1949-1954 is also the Chairman of the State Commission for Economic Planning.
Minc was next Bolesław Bierut and Jakub Berman of the most important Polish Communist official in the wedding of Stalinism. After 1956 he withdrew completely withdrew from public life.