 In 2007 he joined the "Friends of Beppe Grillo" Meetup in Brescia.He was candidate for president with the Five Star Movement in the 2010 Lombard regional election, but obtained only 3% of the preferences.In 2013 he was elected Senator in the Lombardy constituency, and from March 19 to June 16 he was chairman of the parliamentary group of the Five Star Movement in the Senate.