In 1995 he revealed the Nazi-connections of the Austrian right-wing politician Jörg Haider and thus ruined his chances to become vice-chancellor.

[1] In 2000 Schröm published a book on the donation practices used by the conservative party CDU that shook the political landscape in Germany and triggered an enquiry into the subject.

Schröm has worked at stern magazine since 2007 where he published a series of articles on German politicians and security agencies and their involvement in America's war on terror.

[2] 2009 he contributed to the report "Iran could ignite a nuclear weapon in six months" that gained much attention in international media.

In summer 2010 he interviewed Heinrich Kieber who had stolen a Liechtenstein bank's client database and sold it to international tax authorities.