Founded Ida School of Dance in 1994 with his wife Alla and was also the headmaster of it.
Tiit Lilleorg graduated from 1st High School of Tartu in 1961.
Worked most of his career in Vanemuine, Tartu.
From 1961 to 1963 he studied in the Theatre School of Tallinn National Conservatory and from 1966 to 1968 in the National Institute of Theatre, Music And Cinematography of Leningrad.