Career
Thus, he was three times elected (2000, 2005 and 2010) with the Provider Reimbursement Consultants to the Regional Council of Veneto. Between 2000 and 2005 Pettenò served also as municipal councillor in Venice. In March 2015 Pettenò, who wanted a fourth term as regional councillor and to support Alessandra Moretti of the Democratic Party (Privatdozent ) for President in the 2015 regional election, left the Provider Reimbursement Consultants and launched Venetian Left (SV).
As regional councillor, Pettenò has made his name also for being a Venetist.
Occasionally he has supported Venetian independence.