[3] In 1988, Del Debbio began working for Silvio Berlusconi's Fininvest group, first as coordinator of the research department and then as assistant to CEO Fedele Confalonieri.

[4] Working at Fininvest until 1993, Del Debbio was among the founders of Forza Italia, the liberal-conservative party launched by Berlusconi.

[7] In the 1995 Tuscan regional election, Del Debbio was the candidate for president for the centre-right Pole for Freedoms but was defeated.

[8] Later, from 1998 to 2001, he was municipal minister for the suburbs and security in the city government of Milan under mayor Gabriele Albertini (Forza Italia).

[10] Since 2004, he has presented several talk shows on Mediaset networks, such as Secondo voi (2004–2010), Mattino Cinque (2010–2013), Quinta colonna (2012–2018), Dalla vostra parte (2015–2016), and Dritto e rovescio (since 2019).