He was educated in Russia.
He also assumed different posts in East Germany"s government. Maron was a metal worker In 1926, he joined the Communist Party of Germany (KPD).
During the Nazi regime, he left Germany in 1934 for Denmark and then settled in Russia.
He returned to Berlin under the protection of a Russian general a few days after the Red Army captured the city in 1945. Immediately after his return he became deputy lord mayor of Berlin.
From 1946 to 1950 he was the chief editor of daily Neues Deutschland, which was founded in 1946 by the SED. He was also the director of Berlin municipality"s economy department at the end of the 1940s. He became the chief of the German people’s police or more commonly Volkspolizei in June 1950 when former chief Kurt Fischer died.
During his tenure as the chief of Volkspolizei he also assumed the role of deputy interior minister.
He was appointed interior minister on 1 July 1955, replacing Willi Stoph. In this position he was promoted in 1962 to Generaloberst. Maron"s tenure as interior minister ended on 14 November 1963.
He was succeeded by Friedrich Dickel as interior minister.
From 1958 to 1967 he served as the representative of Volkskammer. In 1964, Maron founded the Institute for Demoscopy (Institut für Meinungsforschung in German) that was a demoscopic research body sponsored by the SED.
Maron was the step-father of author Monika Maron.
Karl Maron married her mother in 1955. He died in 1975.
In 1946, he became a member of the Socialist Unity Party of Germany (SED).
National Committee for a Free Germany. Central Committee of the Socialist Unity Party of Germany]
In February 1953, he publicly argued "the Volkspolizei can never be neutral or unpolitical." In 1954, he was named as the member of SED"s central committee. In 1961, he became a member of the working group formed by the Political Bureau to develop ways to end refugee flow from East Germany.
The other members of the group were then security chief Erich Honecker and Stasi chief Erich Mielke.
