During World War II, he fought in the Yugoslav Resistance Movement.

[2] His uncle, Jurij Kraigher was a prominent American civil and war pilot.

His other uncle, Alojz Kraigher, was a prominent writer and left wing activist, while his cousin Boris also became an influential communist politician.

He is also known for being the chairman of the Kraigher Commission, which was set up by the Yugoslav government to advise and give proposals in solving the Yugoslav economic crisis which started to develop in the early to mid-1980s.

[4] The commission report was the basis of a reform package that was to be implemented by the Milka Planinc cabinet, but it never happened.