Dr. Oluseyi is an Analytical and Environmental Chemist. She had her undergraduate degree in Chemistry from the University of Ibadan in 1999, M.Sc. and Ph.D. from the University of Lagos in 2002 and 2010 respectively.  She won the prestigious Commonwealth scholarship to do part of her Ph.D. at Loughborough University, UK in 2007 and a Commonwealth Post-Doctoral Fellowship at the University of Birmingham, UK in 2013.

She is currently a Research Partner on the project entitled “INTERWASTE – Synergising International Research Studies into the Environmental Fate and Behaviour of Toxic Organic Chemicals in the Waste Stream”, a  Marie Skłodowska-Curie Research and Innovation Staff Exchange Project.

She is a member of the Royal Society of Chemistry and also a member of the UKRI International Development Peer Review College.