Hassan Sheikh Mustafa Boseli was born in 1948 in the village of Bosel in the Zakho district of Duhok Governorate. He completed his primary education in the village of Bosel. In 1975, after the collapse of the Aylul Revolution he became a refugee in the country of Iran, where he was transferred to the Jahrom camp in Fars Province (Shiraz). He remained there until 1977 and was later transferred to the city of Arak. In 1979, after the success of the Islamic Revolution against the Shah's regime in Iran, he returned to the city of Naqadeh.
Hassan Sheikh Mustafa Boseli joined the Peshmerga force of the Aylul Revolution in 1967 and became a Peshmerga in the Zakho force under the command of Isa Siwar. In 1970, he went to Haji Omaran with Rashid Sindi, commander of the Pira Magrun force. In 1974, after the Iraqi Army's attack on the Peshmerga force, he participated in the battles of Qishlakh in the Sharbazher area of Sulaymaniyah Governorate. In 1975, he returned to the Zakho area. In the same year, after the collapse of the Aylul Revolution he became a refugee in Iran.
In 1979, he rejoined the Peshmerga force of the Gulan Revolution and remained in Eastern Kurdistan as a Peshmerga until 1986. During that period, he participated as a partisan detachment in the battles of Haji Omaran, the Valley of the Martyrs of Qaladiza district, the top of the Bard mountain in Diana sub-district, and the Duban battle. From 1986 to 1987, they attacked the headquarters of the Iraqi Army battalion in Shranish twice. In 1988, he participated in the battle of Dereluk against the Iraqi Army and the Jash forces.
In 1988, after the Anfal campaign against the people of Southern Kurdistan and the Badinan area, he became a refugee in the country of Turkey and resided in a camp in the city of Amed in Northern Kurdistan. After a while, he fled that camp and reached Eastern Kurdistan. On March 13, 1991, he returned to Southern Kurdistan with a Peshmerga detachment via Haji Omaran to participate in the uprising of the people of Southern Kurdistan against the institutions of the Ba'ath government. In 1992, he was appointed commander of the Surdash force in the city of Zakho, and in 1993, he received the rank of battalion commander in the Kurdistan Army. In 2003, he received the rank of operations commander in the Fourth Army.
On December 16, 2010, at the 13th Congress of the Kurdistan Democratic Party due to his services, by President Masoud Barzani he was awarded the Barzani Medal.
Source:1- Archive of the Kurdistan Democratic Party Encyclopedia Board.