 According to Croatian national television documentary “War before war”, he was informer of Yugoslavian secret service (SDS) and operated under code name “Forum” until early 1990.He was the vice-president of the presidency of the Republic of Croatia (in 1990) and a member of the Croatian Parliament (1992-1995).In the period 1991-2001 he headed the Miroslav Krleža Lexicographical Institute.