After the elections, he was appointed Chief of Staff for Villa Somalia and then Director General of the National Intelligence and Security Agency (NISA).

[citation needed] According to his Somali and Kenyan documents, Yasin was born in Mandera, Kenya on 19 July 1978 to a family of the Reer Aw Xasan clan.

[16] According to Garowe Online, Yasin participated in battles in the 1990s in Gedo, Arare and Bosaso,[17] but "he was not a fighting soldier" according to BBC sources.

[28] After winning the elections, Mohamed appointed Yasin to the position of the Chief of Staff for Villa Somalia on 31 May 2017, replacing Abukar Dahir Osman.

[32] Yasin appointed Abas Ya'qub as his new deputy director in July 2021 after the dismissal of Abdullahi Aden Kulane by Prime Minister Mohamed Hussein Roble.

[33] According to Garowe Online, Yasin was one of the main co-ordinators behind the top-secret deployment of around 5,000 Somali military recruits to Eritrea, some of whom are said to have been sent to on to Ethiopia to fight in the Tigray war.

The recruits themselves were falsely told that they were going for training in Qatar, and their families began a campaign for information as to their whereabouts, after over a year of no contact from them.

[35] On 6 September 2021, Roble suspended Yasin over a matter relating to the murder of Ikran Tahlil Farah, a NISA officer.

[38] After Yasin's resignation from NISA, Mohamed immediately appointed him as his National Security Advisor, replacing Abdisaid Muse Ali.