He was especially known for his minimalistic style of commentating. From 1973 to 2002 Liukkonen worked for the sports section of YLE TV2. He was one of the commentators for both the Summer and Winter Olympic Games.
His main sports were rowing, kayaking and tennis.
Beginning with the 1998 Winter Olympics he also commentated curling. In the 1960s Liukkonen himself was a kayaker at the national level
Liukkonen"s biggest career moments were Pertti Karppinen"s Olympic gold medal in rowing at the Montreal 1976, Moscow 1980 and in Los Angeles 1984 Olympics. In Los Angeles he was also the commentator for Jouko Salomäki"s gold medal victory in Greco-Roman wrestling.
After his retirement Liukkonen made a comeback and commentated curling in the Olympics.