Born in Milan in 1960, he graduated in Business Administration in 1984 at Università Commerciale Luigi Bocconi in Milan.
He succeeded in the public exam obtaining the license as Certified Chartered Accountant in 1986; since then he has been registered with the Milan Certified Public Accountant Board.
He has been registered with the Register of Auditors since its first publication in 1995 – no. 60660 (Official Gazette no. 31 bis of 21 April 1995).

Expert in business and tax law, he is a professional supporting Italian and foreign companies, groups and entities operating in different economic sectors.
Mr. Viganò holds supervisory roles in industrial, commercial, financial and service companies and NPOs.

He worked as lecturer at the Trainee School for Chartered Accountant and Auditor at Università Cattolica del Sacro Cuore in Milan, editor of devoted articles, spokesperson and moderator in training events.
Mr. Viganò holds management and control roles in different industrial, commercial and service companies.

Since its foundation in 1992, he has been a partner and a Chartered Accountant at Nava Viganò & Associati.