In 1980 he moved to the Arab Banking Corporation (ABC) and served as Head of Business Development until 1985 before transferring to Tokyo as Chief Representative.
[5] Breish faced a leadership challenge by the now resigned Chairman of the LIA Hassan Bouhadi and judge ruled in favor of the GNA as being the legitimate government.
Under UN Security Council Resolution 1970 of 26 February 2011 approximately 85% of the LIA's assets remain frozen to safeguard them against potential misappropriation and corruption.
These sanctions were originally requested by the National Transitional Council shortly after the fall of the Gaddafi regime to protect such assets from theft.
[17][18] Breish has insisted on maintaining the UN position that Libyan assets must be frozen until a Unity Government emerges and asserts control.
In a statement Breish welcomed the PC and the GNA, stating that "the LIA... reaffirms its readiness fully cooperate with the Government of National Accord in providing all relevant data, report and support"[21] but then changed position when on 16 August 2016 the Presidency Council of the internationally backed Government of National Accord did not include Breish in the newly appointed steering committee to run the LIA.