Pier Luigi Petrilllo

Full Professor of Comparative Public Law and Director of the School of Advanced Studies
on Cultures, Politics and Democracy at University of Rome UnitelmaSapienza. He is
author of more than 165 publications and has dedicated an extensive part of his activities
to the study of lobbying, becoming one of the leading experts in the field. He promoted,
coordinated or took part in several commissions and study groups and was heard as an
expert by the Constitutional Affairs Committees of the House and Senate to draw up a
proposal aimed at regulating lobbying. He is the Principal Investigator of the National
Research Project “Lobbies and democracy. How the regulation (or lack of regulation) of
groups of interests affects the implementation of social, cultural, environmental and
digital rights. An evidence-based analysis of comparative law” (2022-2026). He is also
holder of the Jean Monnet module Participation, Lobbying and Transparency in the EU
Institutions (PLAT-EU). He is author of numerous monographs on lobbying, including the
handbook “Theories and Techniques of Lobbying” (Il Mulino 2020).

Roberto Di Maria

Full Professor of Constitutional Law at the University of Enna “Kore”, where he teaches
Constitutional Law, Safety and Security and School Legislation. He also is the Coordinator
of the Ph.D. program in Economics, Business, and Law by the same University. He is the
author of four monographies and co-author of two university textbooks. He has published
numerous essays and two monographs on lobbying, one regarding the USA regulation of
the lobbying system and one regarding interests’ representation, pluralism, democracy and
the impact of lobbying. He coordinates the University of Enna research unit of the National
Research Project “Lobbies and democracy. How the regulation (or lack of regulation) of
groups of interests affects the implementation of social, cultural, environmental and
digital rights. An evidence-basis analysis of comparative law” (2022-2026).

Francesco Clementi

Full Professor of Comparative Public Law at Sapienza University of Rome and Director of
the Master’s course in “Electoral and Government Sciences”. Expert, in particular, on
forms of State and forms of Government, with a particular focus on representative

democracy and on the subjects of political-institutional pluralism, he has had numerous
academic appointments in the scientific-disciplinary field, as well as in the field of
Institutions (in 2013 he was a member of the “Commission of experts for constitutional
reforms” appointed by decree of the President of the Council of Ministers on 11 June 2013).
He has written many scholarly contributions on the topic of lobbying. He is the scientific
head of the Sapienza University of Rome research unit for the national National Research
Project “Lobbies and democracy. How the regulation (or lack of regulation) of groups of
interests affects the implementation of social, cultural, environmental and digital rights.
An evidence-basis analysis of comparative law” (2022-2026).

Silvia Sassi

Associate Professor of Comparative Public Law at the University of Florence, where she
teaches courses such as Comparative Lobbying Law, Comparative and European Public
Law, and Comparative Public Law. She is the scientific head of the University of Florence’s
research unit for the national PRIN project “Lobbies and democracy. How the regulation
(or lack of regulation) of groups of interests affects the implementation of social, cultural,
environmental and digital rights. An evidence-basis analysis of comparative law”, and a
member of the Working Table of the I Commission for Constitutional Affairs of the
Chamber of Deputies on “Interest Representation Activities”. She is the author of
numerous publications and four monographs, with a focus on lobbying regulation in
European, national, and comparative perspectives, including: “I rappresentanti di interessi
nel contesto europeo. Sinergie con le istituzioni” (Interest representatives in the European
context. Synergies with the institutions) (Giuffrè 2007).