Yes, he was.
Vladimir Ilytch Lenin
Joseph Stalin
Stalin was Lenin's successor, even though Lenin didn't actually like Stalin much. Before that, Stalin had been in charge of the Communist Party's administration.
Vladimir Lenin
Stalin means man of steel in russia so he called himself it to improve his image.
Stalin's chief was Vladimir Lenin during the years before the Russian Revolution and until Lenin's death.
Tsar Feodor III ruled immediately before Peter I (the Great). Many other princes and tsars ruled before him - check Wikipedia for "List of Russian rulers".
Vladimir Granat had played 5 times for Russia before the 2014 FIFA World Cup.
After Vladimir Illyich Lenin's death, both of his successors Leon Trotsky and Joseph Stalin competed against each other. Unfortunately for Trotsky, Stalin had used propaganda and deceit to force Trotsky into exile (to Mexico, where he is eventually assassinated). Stalin was a Soviet premier until 1953.
Joseph Stalin was a leader of the Soviet Union. Karl Marx was dead before the Soviet Union was ever formed.
Stalin studied various subjects in a seminary before he was thrown out for his revolutionary attitudes and activities.
It took Adolf Hitler until the early 1930's to gain political power in Germany. Joseph Stalin was part of the Bolshevik October Revolution in Russia in 1917. Stalin held important political positions , even a dictatorship in the USSR by 1930. To answer the question then, Stalin came first.