Mariusz Walter was born on January 4, 1937, in Lviv. He was the son of Maria and Karol Walter, a judge in Lviv and a victim of the Katyn massacre who was murdered in Ukrainian territory. He graduated from the Silesian University of Technology in Gliwice and began working in the media at a student radio station. In the 1970s, he became one of the best-known journalists and television producers.

He was a journalist at TVP from 1963 to 1982. From 1967 to 1983, he was a member of the Polish United Workers’ Party. He served as editor-in-chief of the Editorial Office of Publicistic and Documentary Shows at TVP’s Studio-2 from 1978 to 1982. He co-created such television programs as “Turniej Miast” and “Studio 2.” During martial law, he ended his cooperation with TVP.

In 1984, he founded the ITI (International Trading and Investment) holding company with Jan Wejchert. The company received a license from the authorities of the Polish People’s Republic to import electronic equipment from abroad and distribute films on video cassettes in Poland. In 1997, he became head of TVN, handing over its management to his son Piotr in 2001.

He directed numerous films: Prawo Archimedesa (1977), Scena zbiorowa ze świętym (1974), 28 minut jazzu and Papa (1973), and Gra o wszystko (1970). He was a member of the Chapter of the Polish Business Council Award.

Mariusz Walter died on December 13, 2022.