Between 2002 and 2006, Mr. Okoye served as the Chair of the Transition Monitoring Group (TMG), a coalition of Nigerian civil society groups instrumental to ensuring credible elections. He also served as Executive Director of Human Rights Monitor (HRM) and the National Coordinator of the Independent Election Monitoring Group (IEMG) between 2006 and 2018.
He served as the Secretary of the Nigerian Bar Association Human Rights Institute in 2011 and as its Alternate Chairman in 2013. He also served as Alternate Chairman, NBA Election Working Group and as the Chair of the NBA Election Working Group and a Consultant to the National Human Rights Commission (NHRC) and the National Orientation Agency (NOA) between 2016 and 2018.
He was a member of the Electoral Reform Committee (ERC) in 2007 and served as a Civil Society Delegate to the 2014 National Conference. He also served in the INEC Committee on the Review of Judgments on Election Petition Cases (2013) and on the Committee on Management of Election Petitions (2015). Okoye also served in the General Abisoye Civil Disturbances Jos Panel (2008).In 1992 he received the Human Rights Watch Award in the United States for courageous work in researching, monitoring and documenting human rights violations in Nigeria.
In 2009 he received the Distinguished Leadership Award from the Transition Monitoring Group (TMG) Nigeria; and award for mentoring young leaders from Coalitions for Change (C4C) and the Excellence award from the Nigerian Bar Association in 2004.
Presently he serves as a Human Rights Ambassador of the National Human Rights Commission.
He maintained a weekly column known as “Hard Choices” in the New Telegraph Newspaper in Nigeria and contributes opinion articles to Nigerian newspapers and magazines up to 2018.
He specializes in Justice Sector Reforms; Constitutional and Electoral Matters; Public Interest Law; Conflict, Violence and Security.
He was appointed a National Commissioner of the Independent National Electoral Commission (INEC) in July 2018 and is currently the Chairman of Information and Voter Education Committee. He supervises Anambra, Benue and Enugu State.