Francisco Diego was born in Mexico City where he got his first degree in mechanical engineering. His career in astronomy started at the Sociedad Astronomica de Mexico and the Planetario Luis E. Erro. He worked for several years at the Instituto de Astronomia, UNAM and then came to University College London (UCL) where he got a Ph.D. in astronomy.
Currently he is a senior teaching fellow at the department of physics and astronomy at UCL, vice president of the U.K. Association for Astronomy Education and a fellow of the Royal Astronomical Society.
He is a keen popularizer of natural sciences and has extensive experience as a planetarium producer/presenter, lecturer, author and broadcaster.