She earned two BA in Political science and Japanese language at the University of Naples Federico II, then she obtained a master's degree in Business Management and Administration and several advanced courses in peacekeeping, crisis situations, humanitarian operations.
She started her international activity working with the United Nations Development Programme (UNDP) in 1988.
She was Regional Director of the Organization for Security and Co-operation in Europe (OSCE) in Bosnia and Herzegovina from 1999 to 2002.
She was special international observer of the Organization for Security and Co-operation in Europe (OSCE) in Sarajevo from 1997 to 1999.
File footage of Contini speaking on EuroNews about the invasion of Iraq was used in the 2005 film Caché (Hidden) starring Juliette Binoche.