I timata ia i tana mahi ki te United Nations i te tau 1980, i mahi mai i te 1980 ki te 1982 hei Kaitohutohu Kaitohutohu i Nigeria mo te United Nations Development Programme (UNDP) me te United Nations Industrial Development Organization (UNIDO). I mahi ia i roto i nga tari maha i te United Nations Secretariat, tae atu ki te whakahaere me te pupuri i te rangimarie, me te Tari o te Hekeretari-Tianara. I te 1993 ko ia te Kaiwhakahaere Whakahaere Matua o te United Nations / Organization of American States Human Rights Monitoring Mission i Haiti (MICIVIH). Pātai: He aha tana taitara mana i te 1993?
Kaiwhakahaere Whakahaere Matua o te Misioni Tirotiro Tika Tangata a te United Nations/Organization of American States i Haiti