He is a Nigerian diplomat, politician, author and a retired United Nations official who served the organization as an international civil servant between 1991 and 2012.
His father Anthony was a Senior Local Government Administrator while his mother Rosemary was an educationist both in the former Eastern Region of Nigeria.
He led the Nigerian delegation who worked closely with former South African President Thabo Mbeki, and Gora Ebrahim, the Pan Africanist Congress (PAC) Secretary for Foreign Affairs in negotiating the UN Declaration on Apartheid, and its Destructive Consequences in Southern Africa.
As part of his duties at the U.N., he contributed to the conceptualization, drafting and finalizing of strategic policy papers and reports of then U.N. Secretary-General Javier Perez de Cuellar to the U.N. General Assembly and the U.N. Security Council.
He served on Special Envoys and Good Offices missions of the Secretary General in Cyprus (UNFICYP), in Zimbabwe and Northern Uganda with UNOCA, the 1992 U.N.
Under Secretary-General for Political Affairs on policy matters pertaining to Africa, U.N.- African Union cooperation (where he was a member of the Interdepartmental and Inter-Agency Task Force that drafted and negotiated the UN-AU Declaration signed in November 2006), Security Council thematic and sanctions panels, Security, Documentation and Electoral Assistance matters pertaining to Africa including representing the Under Secretary-General at in-house, inter-departmental and inter-agency meetings and consultations.
He was a Delegate to the South East Zonal Review of the 1999 Nigerian Constitution held in 2012 and Chairman of the Anambra State Government Handover Committee in 2014.
Obaze played leading roles in returning his Alma mater Christ the King College Onitsha other mission schools in Anambra State from the government back to missionaries who were their initial owners and raising over N25 million towards revitalization projects at C.K.C.
[16][17][18] This makes him the first person to have delivered the maiden memorial lecture in honour of the foremost Nigerian Literary Icon, Late Prof. Chinua Achebe[19][20]