Mansi El-Mansi has been on the faculty of Glasgow University, in Edinburgh, at Sharda University, India, and more recently at Elizade University, Nigeria. His research was the first to postulate and unravel the role of HS-CoA in the partition of carbon flux among enzymes of central metabolism during growth of Escherichia coli on acetate. He was also the first to provide evidence supporting Dan Kosahland's theory of "ultrasensitivity". His research activities, which span the best part of 30 years, yielded an extensive list of publications of which four are single-author publications in peer-reviewed journals. He is currently the Director of Science Education and Research at Bio-Ed, a United Kingdom based company.