Nika Dolinar Divjak was born on 21 March 1961 in Kranj. In 1984 she obtained a university degree in sociology from the Faculty of Sociology, Political Sciences and Journalism, University of Ljubljana.

She completed her traineeship in company Sava Kranj – Public Relations Department. In 1986 she started working for the railway company (ŽG-TTG Ljubljana) where, among other things, she successfully ran the museum train project. In 1992 she became a spokesperson in the Office of the Minister of Defence. From 1994 to 1997 she continued her public relations career in the Social Democratic Party of Slovenia. From 1997 to 2000 she was employed by the National Assembly, first as an adviser and later on as the secretary of the deputy group of the Slovenian Democratic Party. When Dr Andrej Bajuk was Slovenian Prime Minister in 2000, she headed the minister’s office at the Ministry of Defence. From 2001 to 2004 she was undersecretary of the National Assembly in the deputy group of the Slovenian Democratic Party. Since 3 December 2004 she has been head of the Prime Minister’s Office.