N’afọ 2008, Ogwu were okwa dika onye n’anọchite anya obodo Naịjịrịa na United Nations dị na New York. N’ọnwa nke asaa n’afor 2010, ya na nke iri n’afọ 2011, Ogwu bu onye isi nke ndi United Nations n’ihe gbasara nchekwa obodo.