Sam Onuigbo worked with the U.S Embassy, Nigeria for nearly eighteen unbroken years with several meritorious awards from the U.S Department of State before voluntarily resigning to pursue a career in politics. Thereafter, he served as the Special Adviser, Public Affairs, to the Speaker of the 6th Assembly in Nigeria. He was Commissioner of Lands and Survey, and then Finance in Abia State between 2011-2013. He served as the member representing Ikwuano/Umuahia Federal Constituency at the House of Representatives between 2015-2023 during which time he sponsored Nigeria’s Climate Change Act 2021. He served as the Chairperson of Climate Parliament, Nigeria between 2020-2023.

As the Vice President (Africa) of Global Legislators Organisation for a Balanced Environment (GLOBE) International, Onuigbo superintended over the implementation of the GEF6 project GLOBE Legislators Advancing REDD+ and Natural Capital Governance Towards the Delivery of the 2030 Agenda in three countries viz Nigeria, Senegal, and Democratic Republic of Congo with immense success.

He has led conversations in several international and regional fora on motivating African legislators to drive climate action.