Other minority ethnic groups are the Kuranko, who are related to the Mandingo and are largely Muslims. The Kuranko are believed to have begun arriving in Sierra Leone from Guinea in about 1600 and settled in the north, particularly in Koinadugu District. The Kuranko are primarily farmers; leaders among them have traditionally held several senior positions in the Military. The current Governor of the Bank of Sierra Leone Kaifala Marah is an ethnic Kuranko. The Kuranko are largely Muslim majority.