Born in Rome, Italy. He studied on music and philosophy. At the age of 23 he starts working as a political officer in the Italian Deputies' Chamber, with responsibilities linked to the parliamentary work of its Presidency.
After two years, Davide resigns from the Deputies' Chamber and moves to Stockholm, Sweden, where he stays for almost two years, working as political officer for the Italian Trade Union CGIL in the domain of the services for the Italian emigrants to Scandinavian countries.
In 2002, he comes back to Rome, where he becomes head of the institutional relations department of "Dinamiche d'Impresa", a consulting providing lobby and strategic support to enterprises such as Telecom Italia, Siemens, Oracle.
In July 2004, he resigns and takes office in the European Parliament as the assistant of the President of the Italian Delegation in the Socialist Group.
Since then, he has closely followed several relevant parliamentary dossiers. In 2008, he accepts to be candidate for the Italian Deputies' Chamber as "Italian living abroad": in only three weeks of electoral campaign, he reaches the positive outcome of more than 9.000 personal votes.