Radman started his business with Moving ticket company and ended with a Q4 Defense system. He gave jobs to over 100 Croatians. The organization was best known for it's workers who made social network between themselves. When Radman decided to engage in political life he generously gave CROATIA HOLDING to the government of Croatia to be used to educate new general managers.which was one of the most successful Croatian organizations. He started with buying a Q1
His official newspapers are "" but he often writes articles for other newspapers as well, mostly he wrote for the newspaper of CROATIA HOLDING - .
Radman started his political career in Hrvatska Demokratska Stranka. After winning on the congress elections he was given an opportunity by Relic as Deputy of Minister of Foreign Affairs. After that, in April 2009, president Roby Petric appointed him as Prime Minister.
After being named Prime Minister, Radman started to introduce his ideas into Croatian political system. The most significant one was introducing his organization CROATIA HOLDING as a training company for new talented general managers.
Radman was elected president of Croatia in May 2009. He was supported by Hrvatska Demokratska Stranka. He served 2 consecutive terms as a President of Croatia.