Ifenna Ilechukwu has been a lecturer in the Industrial Chemistry Department of Madonna University, Nigeria since 2014 where he teaches environmental and analytical Chemistry. He was a research intern in the Environment Department of Shell Petroleum Development Company (SPDC) Port Harcourt, Nigeria between 2013-2014.
He presently consults for Heinrich Boll Stiftung (HBS) Nigeria and Stewards of the Environment for Sustainable Change Initiative (SESCI), Abuja on environmental issues. His research interest is in applying analytical methods to determine the sources and fate of organic pollutants in the aquatic environment. His works on microplastics include investigation of the occurrence of microplastics in marine environment (Lagos beaches) and Usuma dam in Abuja. He has also worked on microplastic ingestion by fishes in Niger Delta river. He is currently investigating the effects of microplastics on terrestrial organisms.