Dr Dora Pereira BIODr Dora Pereira is an expert in the field of iron nutrition, and for the past 13 years has been conducting research on the biological effects of iron on the human body, both in the UK and in Africa.EXPERIENCEShe was a Principal Investigator with the University of Cambridge and the MRC Unit The Gambia at the London School of Hygiene and Tropical Medicine.