Marian Suski was fourth in team sabre at the unofficial 1934 World Championships. In 1950 he won the Polish championship in the sabre for AZS Wrocław.In 1924 Suski was a cadet at the Officers School of Engineering in Warszawa, graduating in 1927. In 1928, he served in the radiotelegraphy regiment in Warszawa, before he went to Paris to study at the School of Electrical Engineering, but then returned to serve in the office of Communications Technical Research in the armed forces. In 1938 Suski received a degree in electrical engineering from the Warszawa University of Technology.
During World War II Suski commanded the communications center during the defense of Warszawa in 1939. After the surrender, he was interned in a POW camp Oflag VII-A, for Polish officers in Murnau, until the end of the war. There, he managed to gather parts that were used to construct a simple radio receiver, which allowed the prisoners to communicate until the camp’s liberation by the Allied Forces. After the war he taught at the University of Communications Technology and supported the 1968 student demonstrators. Due to his uncompromising attitude he was only appointed professor in 1974. He was also a member of the Polish Solidarność movement since its inception. The new building of the Institute of Telecommunications and Acoustics was later named in his honor.