In Late 1990s, Lencho left OLF leadership due to ideological differences.
After graduation, he returned to Ethiopia and worked as Engineer in Metehara Sugar factory for one year.
Late in 1974, Lencho, along with some other Oromo nationalist, went underground and officially launched the OLF for guerrilla army struggle against the Marxist Derg regime of Mengistu Haile Mariam.
Starting from the late 1970s until 1995, Lencho served as Deputy General Secretary of the OLF.
[3] Starting from late 1990s, Lencho became an advocate of preserving Oromo people's right by Democratizing Ethiopian state.