Horacio de la Iglesia finished his undergraduate studies in Biology at the University of Buenos Aires, Argentina. He got his PhD in Neuroscience and Behavior at the University of Massachusetts, Amherst, where working with Eric Bittman he studied the neuroanatomical interactions between the master circadian clock of mammals and the brain centers that control reproduction . He then continued his research on the neural control of circadian rhythms as a Post-doctoral Fellow and as an Instructor in the laboratory of William Schwartz at the University of Massachusetts Medical School. He was also an Instructor at Harvard University where he taught a course on Stem Cells. Dr. de la Iglesia joined the University of Washington Department of Biology in 2003. He is currently the President of the Society for Research on Biological Rhythms.