I was for 27 years Professor of Statistical Mechanics at the Dipartimento di Fisica, Università "Federico II", Napoli (Italy).
I also was an Associate Member of the Sezione di Napoli of the Istituto Nazionale di Fisica Nucleare (INFN).
I am currently a member of the Editorial Boards of Journal of Statistical Physics and of the IOP electronic journal JSTAT: Journal of Statistical Mechanics.
I was a member of the Editorial Board of Physics of Life Reviews for several years.
I also act as one of the moderators of the arXiv q-bio archive (Populations and Evolution).
I was a member of the Simons Center for Systems Biology, School of Natural Sciences, Institute for Advanced Study, Princeton, New Jersey, USA from 2014 to 2016.
Since July 2017, I am Deputy Director of SMRI (Italy).