He obtained his Ph.D. at the University of Rome “La Sapienza” in 2002. He was a postdoctoral fellow at the Aristotle University of Thessaloniki, the Institut d’Astrophysique in Paris, Washington University in Saint Louis, and NASA's Jet Propulsion Laboratory. He joined the faculty of the University of Mississippi in 2009. Berti is a theorist whose research interests include black holes, neutron stars, fundamental physics and astrophysics with gravitational-wave observations, and astrophysical tests of general relativity. He is the recipient of an NSF CAREER award and a Fellow of the American Physical Society.