As a Scientific Officer, Leonardo (Leo) Belluscio serves as a liaison to HHMI Investigators at universities and research centers in the U.S. regarding scientific and administrative matters. He attends all HHMI scientific meetings, Investigator reviews, and Medical Advisory Board meetings. His activities include management of HHMI’s Investigator reviews, scientific meetings, and competitions for the Investigator program and various grants programs. He also interacts with HHMI leadership to coordinate Institute operations.

Belluscio joined HHMI in 2017, coming from the National Institutes of Health (NIH), where he served as a senior investigator and chief of the Developmental Neural Plasticity Section. Belluscio studies olfactory system plasticity and regeneration during the formation, refinement, and maintenance of its neural circuitry. His research combines molecular and functional techniques and seeks to develop methods for the preservation or repair of neural connections central to olfactory system function.

Belluscio earned a bachelor’s degree in biology from Manhattan College and a PhD in neuroscience from Columbia University. He completed his postdoctoral research at Duke University before joining the NIH faculty as an investigator in 2002.

For additional details regarding assignment of scientific officers to specific host institutions, please contact Leigh Anson at