Since 1989, Colombo has been a professor of Accounting and Budget at Bocconi University in Milan, the same institute that awarded him his degree with honours in Business Administration in 1984.[1]
As an accountant and auditor, throughout his career, Paolo Andrea Colombo has held roles as the Director of operating companies in different areas of the market including Saipem, Pirelli Pneumatici, Publitalia 80, RCS Mediagroup, Telecom Italia Mobile, Eni, and Sias.[citation needed]
He is a founding member of Borghesi Colombo & Associati, a financial management consultancy firm with clients in Italy and abroad, active since 2006.[citation needed] He is also currently president of the GE Capital Interbanca supervisory board, of Aviva Vita and a member of the board of directors for Mediaset and Versace.[citation needed]