|This article does not cite any references or sources. (December 2009)|
Kavran was born in Zagreb on September 22, 1913.
He served as leader of the Ustaše from May 1943 onwards.
He attempted to organize a rebellion against the Communist Yugoslav government in the post-war years. He led a group of exiled Croatian fighters into the country. They called this Operation April 10. However, he was eventually captured by the UDBA and executed in 1948.