Mauro Del Barba was born in Morbegno (Sondrio) on 20th July 1970. He obtained a degree in IT sciences at the University of Milan. Since 1997 he has been working for the Banca Popolare di Sondrio, where he has become Project Manager with the General Directorate. In 2009 he was the founder and President of the Ventiventi Association, supporting productive investment in energy saving and sustainable development. In 1995 he began his political activity and in 1997 he joined the Italian Peoples Party, acting as Deputy Provincial Secretary (1998- 1999), Provincial Secretary (1999-2002) and National Councillor (2000-2002).

Since 2003 he has been an expert member of the Commission for innovation and technologies in municipalities. From 2004 to 2009, he was Budget Alderman of the Municipality of Morbegno. In 2013 he was elected to the Senate on the list of the Democratic Party and sat on the Budget Committee. In 2018 he was elected to the Chamber of Deputies; he is currently member of the Finance Committee. Since December 2018 he has been the President of ASSOBENEFIT (Associazione Nazionale per le Società Benefit).