He has been doing research since 1988 to date, in particular: - From 1/11/2012 to today: Head of Laboratory of "Human Genetics and Populations", Department of Biology and Biotechnology "Charles Darwin", Sapienza University of Rome. - From 1/9/2015 to today: Associate Professor of Genetics (BIO / 18) Department of Biology and Biotechnology "Charles Darwin", Sapienza University of Rome. - 2005-2015: Researcher and Aggregate Professor of Genetics (BIO / 18), Department of Biology and Biotechnologies "Charles Darwin", Sapienza University of Rome. - 2001: Fulbright scholar at Cavalli-Sforza's Human Genetics Lab, Stanford University, CA; - 2000-2004: Research Assistant at the Department of Molecular Genetics and Biology, Wisdom University of Rome; - 2000-2002: Professor of Genetics, University of Urbino; - 1998-1999: Performs research at the Human Genetics Laboratory (Sapienza University of Rome) as a CNR scholarship winner and as a research associate. - 1995-1998: Carries out research at the Human Genetics Laboratory as a winner of study of the specialization school in Applied Genetics. - 1992-1995: Carries out research at the Human Genetics Laboratory as a winner of study of the PhD in Genetics and Molecular Biology, Sapienza University of Rome; - 1988-1991: Internal student, and after graduation, trainee at the Genetics Laboratory Human, Department of Genetics and Molecular Biology, Sapienza University of Rome.

- Study of the variability of human Y chromosome, aimed at reconstructing the evolutionary history of human populations in Africa and Europe; - Study of the genetic variability of African populations of particular genetic-forensic relevance; - The role of gene conversion in the evolution of sexual chromosomes.