Full Professor of Machines and Systems for Energy and the Environment – Departmental Delegate for Energy – University of Catania – President of the Sicilian Regional Technical and Scientific Commission for the “Hydrogen Valley” Projects Evaluation.

CESE (European Economic and Social Committee) – CCMI (Industrial Changes Consultative Commission) Rue Belliard 99-101 -1040 Brussels, ETS Consultant (Emission Trading System) ) Environment and Energy Security Minister – Rome.

Full Professor of Machines and Systems for Energy and the Environment – Industrial, Information and Economics Engineering Department- University of L’Aquila – Editorial Board “Journal of Sustainable Energy“.

Head of Hydrogen Business Unit – ENEL GREEN POWER.

General Arboriculture Full Professor – Agriculture, Food and Environment Department – University of Catania.

Commodity Sciences Full Professor – Economics Department – University of Messina.