 From 1990 to 1991 Borg was an editorial writer for the newspaper "Svenska Dagbladet".Following the centre-right parties' victory in the 1991 general election, Borg became a Political Adviser at the Prime Minister's Office with responsibility for coordination of the Ministry of Health and Social Affairs, the Ministry of Public Administration, the Ministry of Culture and the Ministry of Education and Science.From 1993 to 1994 he served as a Political Adviser to Prime Minister Carl Bildt.